gurudesh/pytracebugs huggingface dataset:
# Buggy code
def add_arguments(self, parser):
    self.instances = {}

    if self.subcommands:
        subparsers = parser.add_subparsers(dest=self.subcommand_dest)
        for command, cls in self.subcommands.items():
            instance = cls(self.stdout, self.stderr)
            instance.style = self.style
            parser_sub = subparsers.add_parser(
                cmd=self,
                name=instance.command_name,
                help=instance.help_string,
                description=instance.help_string,
            )

            add_builtin_arguments(parser=parser_sub)
            instance.add_arguments(parser_sub)
            self.instances[command] = instance


# Traceback (UnicodeDecodeError)
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
utility.execute()
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 346, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 394, in run_from_argv
self.execute(*args, **cmd_options)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 445, in execute
output = self.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/base.py", line 86, in handle
command.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/publisher_publish.py", line 47, in handle
self.stdout.write('%d.\t%s  %s [%d]\n' % (index + 1, m, force_text(page), page.id))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 114, in write
self._out.write(force_str(style_func(msg)))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 111, in write
if ending and not msg.endswith(ending):
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 20: ordinal not in range(128)

# Fixed code
def add_arguments(self, parser):
    self.instances = {}

    if self.subcommands:
        subparsers = parser.add_subparsers(dest=self.subcommand_dest)
        for command, cls in self.subcommands.items():
            instance = cls(self.stdout._out, self.stderr._out)
            instance.style = self.style
            parser_sub = subparsers.add_parser(
                cmd=self,
                name=instance.command_name,
                help=instance.help_string,
                description=instance.help_string,
            )

            add_builtin_arguments(parser=parser_sub)
            instance.add_arguments(parser_sub)
            self.instances[command] = instance
# Buggy code
def handle(self, *args, **options):
    if options[self.subcommand_dest] in self.instances:
        command = self.instances[options[self.subcommand_dest]]
        if options.get("no_color"):
            command.style = no_style()
            command.stderr.style_func = None
        if options.get("stdout"):
            command.stdout = OutputWrapper(options["stdout"])
        if options.get("stderr"):
            command.stderr = OutputWrapper(
                options.get("stderr"), command.stderr.style_func
            )
        command.handle(*args, **options)
    else:
        self.print_help("manage.py", "cms")


# Traceback (UnicodeDecodeError)
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
utility.execute()
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 346, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 394, in run_from_argv
self.execute(*args, **cmd_options)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 445, in execute
output = self.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/base.py", line 86, in handle
command.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/publisher_publish.py", line 47, in handle
self.stdout.write('%d.\t%s  %s [%d]\n' % (index + 1, m, force_text(page), page.id))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 114, in write
self._out.write(force_str(style_func(msg)))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 111, in write
if ending and not msg.endswith(ending):
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 20: ordinal not in range(128)

# Fixed code
def handle(self, *args, **options):
    if options[self.subcommand_dest] in self.instances:
        command = self.instances[options[self.subcommand_dest]]
        if options.get("no_color"):
            command.style = no_style()
            command.stderr.style_func = None
        if options.get("stdout"):
            command.stdout._out = options.get("stdout")
        if options.get("stderr"):
            command.stderr._out = options.get("stderr")
        command.handle(*args, **options)
    else:
        self.print_help("manage.py", "cms")
# Buggy code
def handle_label(self, label, **options):
    queryset = Page.objects.filter(application_urls=label)
    number_of_apphooks = queryset.count()

    if number_of_apphooks > 0:
        if options.get("interactive"):
            confirm = input(
                """
You have requested to remove %d %r apphooks.
Are you sure you want to do this?
Type 'yes' to continue, or 'no' to cancel: """
                % (number_of_apphooks, label)
            )
        else:
            confirm = "yes"
        if confirm == "yes":
            queryset.update(application_urls=None)
            self.stdout.write(
                "%d %r apphooks uninstalled\n" % (number_of_apphooks, label)
            )
    else:
        self.stdout.write("no %r apphooks found\n" % label)


# Traceback (UnicodeDecodeError)
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
utility.execute()
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 346, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 394, in run_from_argv
self.execute(*args, **cmd_options)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 445, in execute
output = self.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/base.py", line 86, in handle
command.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/publisher_publish.py", line 47, in handle
self.stdout.write('%d.\t%s  %s [%d]\n' % (index + 1, m, force_text(page), page.id))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 114, in write
self._out.write(force_str(style_func(msg)))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 111, in write
if ending and not msg.endswith(ending):
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 20: ordinal not in range(128)

# Fixed code
def handle_label(self, label, **options):
    queryset = Page.objects.filter(application_urls=label)
    number_of_apphooks = queryset.count()

    if number_of_apphooks > 0:
        if options.get("interactive"):
            confirm = input(
                """
You have requested to remove %d '%s' apphooks.
Are you sure you want to do this?
Type 'yes' to continue, or 'no' to cancel: """
                % (number_of_apphooks, label)
            )
        else:
            confirm = "yes"
        if confirm == "yes":
            queryset.update(application_urls=None)
            self.stdout.write(
                "%d '%s' apphooks uninstalled\n" % (number_of_apphooks, label)
            )
    else:
        self.stdout.write("no '%s' apphooks found\n" % label)
# Buggy code
def handle_label(self, label, **options):
    plugin_pool.get_all_plugins()
    queryset = CMSPlugin.objects.filter(plugin_type=label)
    number_of_plugins = queryset.count()

    if number_of_plugins > 0:
        if options.get("interactive"):
            confirm = input(
                """
You have requested to remove %d %r plugins.
Are you sure you want to do this?
Type 'yes' to continue, or 'no' to cancel: """
                % (number_of_plugins, label)
            )
        else:
            confirm = "yes"
        if confirm == "yes":
            queryset.delete()
            self.stdout.write(
                "%d %r plugins uninstalled\n" % (number_of_plugins, label)
            )
        else:
            self.stdout.write("Aborted")
    else:
        self.stdout.write("no %r plugins found\n" % label)


# Traceback (UnicodeDecodeError)
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
utility.execute()
File "/.../www/lib/python2.7/site-packages/django/core/management/__init__.py", line 346, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 394, in run_from_argv
self.execute(*args, **cmd_options)
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 445, in execute
output = self.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/base.py", line 86, in handle
command.handle(*args, **options)
File "/.../www/lib/python2.7/site-packages/cms/management/commands/subcommands/publisher_publish.py", line 47, in handle
self.stdout.write('%d.\t%s  %s [%d]\n' % (index + 1, m, force_text(page), page.id))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 114, in write
self._out.write(force_str(style_func(msg)))
File "/.../www/lib/python2.7/site-packages/django/core/management/base.py", line 111, in write
if ending and not msg.endswith(ending):
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 20: ordinal not in range(128)

# Fixed code
def handle_label(self, label, **options):
    plugin_pool.get_all_plugins()
    queryset = CMSPlugin.objects.filter(plugin_type=label)
    number_of_plugins = queryset.count()

    if number_of_plugins > 0:
        if options.get("interactive"):
            confirm = input(
                """
You have requested to remove %d '%s' plugins.
Are you sure you want to do this?
Type 'yes' to continue, or 'no' to cancel: """
                % (number_of_plugins, label)
            )
        else:
            confirm = "yes"
        if confirm == "yes":
            queryset.delete()
            self.stdout.write(
                "%d '%s' plugins uninstalled\n" % (number_of_plugins, label)
            )
        else:
            self.stdout.write("Aborted")
    else:
        self.stdout.write("no '%s' plugins found\n" % label)
# Buggy code
def fit(self, Z, X=None):
    """Fit to data.

    Parameters
    ----------
    y : pd.Series
    X : pd.DataFrame
    fit_params : dict

    Returns
    -------
    self : an instance of self
    """
    z = check_series(Z, enforce_univariate=True)
    self._set_y_index(z)
    sp = check_sp(self.sp)

    # apply seasonal decomposition
    self.seasonal_ = seasonal_decompose(
        z,
        model=self.model,
        period=sp,
        filt=None,
        two_sided=True,
        extrapolate_trend=0,
    ).seasonal.iloc[:sp]

    self._is_fitted = True
    return self


# Traceback (ValueError)
ValueError                                Traceback (most recent call last)
<ipython-input-3-4a75cca05732> in <module>
16 MODEL_Auto_ARIMA.fit(
17     y_train=y_df["y"],
---> 18     X_train=X_df
19 )

~/miniconda3/envs/RATP37/lib/python3.7/site-packages/sktime/forecasting/arima.py in fit(self, y_train, fh, X_train, **fit_args)
363         self._set_y_X(y_train, X_train)
364         self._set_fh(fh)
--> 365         self._forecaster.fit(y_train, exogenous=X_train, **fit_args)
366         self._is_fitted = True
367         return self

~/miniconda3/envs/RATP37/lib/python3.7/site-packages/pmdarima/arima/auto.py in fit(self, y, X, **fit_args)
218             with_intercept=self.with_intercept,
219             sarimax_kwargs=sarimax_kwargs,
--> 220             **fit_args)
221
222         return self

~/miniconda3/envs/RATP37/lib/python3.7/site-packages/pmdarima/arima/auto.py in auto_arima(y, X, start_p, d, start_q, max_p, max_d, max_q, start_P, D, start_Q, max_P, max_D, max_Q, max_order, m, seasonal, stationary, information_criterion, alpha, test, seasonal_test, stepwise, n_jobs, start_params, trend, method, maxiter, offset_test_args, seasonal_test_args, suppress_warnings, error_action, trace, random, random_state, n_fits, return_valid_fits, out_of_sample_size, scoring, scoring_args, with_intercept, sarimax_kwargs, **fit_args)
390
391     # Temporary shim until we remove `exogenous` support completely
--> 392     X, fit_args = pm_compat.get_X(X, **fit_args)
393
394     # pop out the deprecated kwargs

~/miniconda3/envs/RATP37/lib/python3.7/site-packages/pmdarima/compat/pmdarima.py in get_X(X, **kwargs)
12     exog = kwargs.pop("exogenous", None)
13     if X is not None and exog is not None:
---> 14         raise ValueError("Multiple values provided for both X and exogenous")
15
16     if exog is not None:

ValueError: Multiple values provided for both X and exogenous

# Fixed code
def fit(self, Z, X=None):
    """Fit to data.

    Parameters
    ----------
    Z : pd.Series
    X : pd.DataFrame

    Returns
    -------
    self : an instance of self
    """
    z = check_series(Z, enforce_univariate=True)
    self._set_y_index(z)
    sp = check_sp(self.sp)

    # apply seasonal decomposition
    self.seasonal_ = seasonal_decompose(
        z,
        model=self.model,
        period=sp,
        filt=None,
        two_sided=True,
        extrapolate_trend=0,
    ).seasonal.iloc[:sp]

    self._is_fitted = True
    return self
# Buggy code
def get_version(package_name):
    version_re = re.compile(r"^__version__ = [\"']([\w_.-]+)[\"']$")
    package_components = package_name.split(".")
    path_components = package_components + ["__init__.py"]
    with open(os.path.join(root_dir, *path_components)) as f:
        for line in f:
            match = version_re.match(line[:-1])
            if match:
                return match.groups()[0]
    return "0.1.0"


# Traceback (UnicodeDecodeError)
(.env)# pip install factory_boy
Downloading/unpacking factory-boy
Downloading factory_boy-2.2.1.tar.gz (71kB): 71kB downloaded
Running setup.py egg_info for package factory-boy
Traceback (most recent call last):
File "<string>", line 16, in <module>
File "/home/cdp/.env/lib/python3.3/encodings/ascii.py", line 26, in decode
return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 1018: ordinal not in range(128)
Complete output from command python setup.py egg_info:
Traceback (most recent call last):

File "<string>", line 16, in <module>

File "/home/cdp/.env/lib/python3.3/encodings/ascii.py", line 26, in decode

return codecs.ascii_decode(input, self.errors)[0]

UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 1018: ordinal not in range(128)

----------------------------------------
Cleaning up...
Command python setup.py egg_info failed with error code 1 in /home/cdp/.env/build/factory-boy
Storing complete log in /root/.pip/pip.log

# Fixed code
def get_version(package_name):
    version_re = re.compile(r"^__version__ = [\"']([\w_.-]+)[\"']$")
    package_components = package_name.split(".")
    init_path = os.path.join(root_dir, *(package_components + ["__init__.py"]))
    with codecs.open(init_path, "r", "utf-8") as f:
        for line in f:
            match = version_re.match(line[:-1])
            if match:
                return match.groups()[0]
    return "0.1.0"
# Buggy code
def __init__(self, *args, **kwargs):
    super().__init__(*args, **kwargs)

    # add events for each field
    self._events.source = self
    self._events.add(**dict.fromkeys(self.__fields__))


# Traceback (TypeError)
In [1]: from pydantic import BaseModel

In [2]: import inspect

In [3]: class T(BaseModel):
...:     x: int
...:     y: str = 'sadf'
...:

# so far so good
In [4]: inspect.signature(T)
Out[4]: <Signature (*, x: int, y: str = 'sadf') -> None>

In [5]: import PySide2

In [6]: inspect.signature(T)
Out[6]: <Signature (**data: typing.Any) -> None>  # ??

# let's try that again
In [7]: class T(BaseModel):
...:     x: int
...:     y: str = 'sadf'
...:

In [8]: inspect.signature(T)  # ???
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-8-e75fbef4a311> in <module>
----> 1 inspect.signature(T)

~/miniconda3/envs/napdev/lib/python3.8/inspect.py in signature(obj, follow_wrapped)
3091 def signature(obj, *, follow_wrapped=True):
3092     """Get a signature object for the passed callable."""
-> 3093     return Signature.from_callable(obj, follow_wrapped=follow_wrapped)
3094
3095

~/miniconda3/envs/napdev/lib/python3.8/inspect.py in from_callable(cls, obj, follow_wrapped)
2840     def from_callable(cls, obj, *, follow_wrapped=True):
2841         """Constructs Signature for the given callable object."""
-> 2842         return _signature_from_callable(obj, sigcls=cls,
2843                                         follow_wrapper_chains=follow_wrapped)
2844

~/miniconda3/envs/napdev/lib/python3.8/inspect.py in _signature_from_callable(obj, follow_wrapper_chains, skip_bound_arg, sigcls)
2250         if sig is not None:
2251             if not isinstance(sig, Signature):
-> 2252                 raise TypeError(
2253                     'unexpected object {!r} in __signature__ '
2254                     'attribute'.format(sig))

TypeError: unexpected object <pydantic.utils.ClassAttribute object at 0x7fe9b925d4f0> in __signature__ attribute

# Fixed code
def __init__(self, **kwargs):
    super().__init__(**kwargs)

    # add events for each field
    self._events.source = self
    self._events.add(**dict.fromkeys(self.__fields__))
# Buggy code
def __new__(mcs, name, bases, namespace, **kwargs):
    cls = super().__new__(mcs, name, bases, namespace, **kwargs)
    cls.__eq_operators__ = {
        n: pick_equality_operator(f.type_) for n, f in cls.__fields__.items()
    }
    return cls


# Traceback (TypeError)
In [1]: from pydantic import BaseModel

In [2]: import inspect

In [3]: class T(BaseModel):
...:     x: int
...:     y: str = 'sadf'
...:

# so far so good
In [4]: inspect.signature(T)
Out[4]: <Signature (*, x: int, y: str = 'sadf') -> None>

In [5]: import PySide2

In [6]: inspect.signature(T)
Out[6]: <Signature (**data: typing.Any) -> None>  # ??

# let's try that again
In [7]: class T(BaseModel):
...:     x: int
...:     y: str = 'sadf'
...:

In [8]: inspect.signature(T)  # ???
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-8-e75fbef4a311> in <module>
----> 1 inspect.signature(T)

~/miniconda3/envs/napdev/lib/python3.8/inspect.py in signature(obj, follow_wrapped)
3091 def signature(obj, *, follow_wrapped=True):
3092     """Get a signature object for the passed callable."""
-> 3093     return Signature.from_callable(obj, follow_wrapped=follow_wrapped)
3094
3095

~/miniconda3/envs/napdev/lib/python3.8/inspect.py in from_callable(cls, obj, follow_wrapped)
2840     def from_callable(cls, obj, *, follow_wrapped=True):
2841         """Constructs Signature for the given callable object."""
-> 2842         return _signature_from_callable(obj, sigcls=cls,
2843                                         follow_wrapper_chains=follow_wrapped)
2844

~/miniconda3/envs/napdev/lib/python3.8/inspect.py in _signature_from_callable(obj, follow_wrapper_chains, skip_bound_arg, sigcls)
2250         if sig is not None:
2251             if not isinstance(sig, Signature):
-> 2252                 raise TypeError(
2253                     'unexpected object {!r} in __signature__ '
2254                     'attribute'.format(sig))

TypeError: unexpected object <pydantic.utils.ClassAttribute object at 0x7fe9b925d4f0> in __signature__ attribute

# Fixed code
def __new__(mcs, name, bases, namespace, **kwargs):
    with no_class_attributes():
        cls = super().__new__(mcs, name, bases, namespace, **kwargs)
    cls.__eq_operators__ = {
        n: pick_equality_operator(f.type_) for n, f in cls.__fields__.items()
    }
    return cls
# Buggy code
def mouseMoveEvent(self, event):
    """Drag and drop layer with mouse movement.

    Parameters
    ----------
    event : qtpy.QtCore.QEvent
        Event from the Qt context.
    """
    position = np.array([event.pos().x(), event.pos().y()])
    distance = np.linalg.norm(position - self._drag_start_position)
    if distance < QApplication.startDragDistance() or self._drag_name is None:
        return
    mimeData = QMimeData()
    mimeData.setText(self._drag_name)
    drag = QDrag(self)
    drag.setMimeData(mimeData)
    drag.setHotSpot(event.pos() - self.rect().topLeft())
    drag.exec_()
    if self._drag_name is not None:
        index = self.layers.index(self._drag_name)
        layer = self.layers[index]
        self._ensure_visible(layer)


# Traceback (KeyError)
Traceback (most recent call last):
File "c:\users\hectormz\code\contribute\napari\napari\_qt\qt_layerlist.py", line 307, in mouseMoveEvent
index = self.layers.index(self._drag_name)
File "c:\users\hectormz\code\contribute\napari\napari\utils\list\_typed.py", line 82, in index
raise KeyError(f'could not find element {q} was referencing')
KeyError: 'could not find element stack was referencing'

# Fixed code
def mouseMoveEvent(self, event):
    """Drag and drop layer with mouse movement.

    Parameters
    ----------
    event : qtpy.QtCore.QEvent
        Event from the Qt context.
    """
    position = np.array([event.pos().x(), event.pos().y()])
    distance = np.linalg.norm(position - self._drag_start_position)
    if distance < QApplication.startDragDistance() or self._drag_name is None:
        return
    mimeData = QMimeData()
    mimeData.setText(self._drag_name)
    drag = QDrag(self)
    drag.setMimeData(mimeData)
    drag.setHotSpot(event.pos() - self.rect().topLeft())
    drag.exec_()
    # Check if dragged layer still exists or was deleted during drag
    names = [layer.name for layer in self.layers]
    dragged_layer_exists = self._drag_name in names
    if self._drag_name is not None and dragged_layer_exists:
        index = self.layers.index(self._drag_name)
        layer = self.layers[index]
        self._ensure_visible(layer)
# Buggy code
def on_key_release(self, event):
    """Called whenever key released in canvas.

    Parameters
    ----------
    event : qtpy.QtCore.QEvent
        Event from the Qt context.
    """
    combo = components_to_key_combo(event.key.name, event.modifiers)
    self.viewer.release_key(combo)


# Traceback (AttributeError)
WARNING: Traceback (most recent call last):
File "/home/jni/miniconda3/envs/all/lib/python3.8/site-packages/vispy/app/backends/_qt.py", line 505, in keyReleaseEvent
self._keyEvent(self._vispy_canvas.events.key_release, ev)
File "/home/jni/miniconda3/envs/all/lib/python3.8/site-packages/vispy/app/backends/_qt.py", line 551, in _keyEvent
func(native=ev, key=key, text=text_type(ev.text()), modifiers=mod)
File "/home/jni/miniconda3/envs/all/lib/python3.8/site-packages/vispy/util/event.py", line 455, in __call__
self._invoke_callback(cb, event)
File "/home/jni/miniconda3/envs/all/lib/python3.8/site-packages/vispy/util/event.py", line 473, in _invoke_callback
_handle_exception(self.ignore_callback_errors,
File "/home/jni/miniconda3/envs/all/lib/python3.8/site-packages/vispy/util/event.py", line 471, in _invoke_callback
cb(event)
File "/home/jni/miniconda3/envs/all/lib/python3.8/site-packages/napari/_qt/qt_viewer.py", line 574, in on_key_release
combo = components_to_key_combo(event.key.name, event.modifiers)
AttributeError: 'NoneType' object has no attribute 'name'

# Fixed code
def on_key_release(self, event):
    """Called whenever key released in canvas.

    Parameters
    ----------
    event : qtpy.QtCore.QEvent
        Event from the Qt context.
    """
    if event.key is None:
        return
    combo = components_to_key_combo(event.key.name, event.modifiers)
    self.viewer.release_key(combo)
# Buggy code
def on_draw(self, event):
    """Called whenever the canvas is drawn.

    This is triggered from vispy whenever new data is sent to the canvas or
    the camera is moved and is connected in the `QtViewer`.
    """
    self.layer.scale_factor = self.scale_factor
    old_corner_pixels = self.layer.corner_pixels
    self.layer.corner_pixels = self.coordinates_of_canvas_corners()

    if self.layer.multiscale and self.node.canvas is not None:
        self.layer._update_multiscale(
            corner_pixels=old_corner_pixels,
            shape_threshold=self.node.canvas.size,
        )


# Traceback (ValueError)
Traceback (most recent call last):
File "/home/jni/miniconda3/envs/f7/lib/python3.7/site-packages/vispy/app/backends/_qt.py", line 825, in paintGL
self._vispy_canvas.events.draw(region=None)
File "/home/jni/miniconda3/envs/f7/lib/python3.7/site-packages/vispy/util/event.py", line 455, in __call__
self._invoke_callback(cb, event)
File "/home/jni/miniconda3/envs/f7/lib/python3.7/site-packages/vispy/util/event.py", line 475, in _invoke_callback
self, cb_event=(cb, event))
File "/home/jni/miniconda3/envs/f7/lib/python3.7/site-packages/vispy/util/event.py", line 471, in _invoke_callback
cb(event)
File "/home/jni/projects/napari/napari/_vispy/vispy_base_layer.py", line 241, in on_draw
shape_threshold=self.node.canvas.size,
File "/home/jni/projects/napari/napari/layers/base/base.py", line 675, in _update_multiscale
downsample_factors,
File "/home/jni/projects/napari/napari/layers/utils/layer_utils.py", line 249, in compute_multiscale_level
locations = np.argwhere(np.all(scaled_shape > shape_threshold, axis=1))
ValueError: operands could not be broadcast together with shapes (2,3) (2,)

# Fixed code
def on_draw(self, event):
    """Called whenever the canvas is drawn.

    This is triggered from vispy whenever new data is sent to the canvas or
    the camera is moved and is connected in the `QtViewer`.
    """
    self.layer.scale_factor = self.scale_factor
    old_corner_pixels = self.layer.corner_pixels
    self.layer.corner_pixels = self.coordinates_of_canvas_corners()

    # For 2D multiscale data determine if new data has been requested
    if (
        self.layer.multiscale
        and self.layer.dims.ndisplay == 2
        and self.node.canvas is not None
    ):
        self.layer._update_multiscale(
            corner_pixels=old_corner_pixels,
            shape_threshold=self.node.canvas.size,
        )
# Buggy code
def _remove_layer(self, event):
    """When a layer is removed, remove its parent.

    Parameters
    ----------
    event : qtpy.QtCore.QEvent
        Event from the Qt context.
    """
    layer = event.item
    vispy_layer = self.layer_to_visual[layer]
    vispy_layer.node.transforms = ChainTransform()
    vispy_layer.node.parent = None
    del self.layer_to_visual[layer]


# Traceback (AttributeError)
Traceback (most recent call last):
File "XXXX\lib\site-packages\vispy\app\backends\_qt.py", line 825, in paintGL
self._vispy_canvas.events.draw(region=None)
File "XXXX\lib\site-packages\vispy\util\event.py", line 455, in __call__
self._invoke_callback(cb, event)
File "XXXX\lib\site-packages\vispy\util\event.py", line 473, in _invoke_callback
_handle_exception(self.ignore_callback_errors,
File "XXXX\lib\site-packages\vispy\util\event.py", line 471, in _invoke_callback
cb(event)
File "YYY\napari\napari\_vispy\vispy_base_layer.py", line 234, in on_draw
self.layer.scale_factor = self.scale_factor
File "YYY\napari\napari\_vispy\vispy_base_layer.py", line 131, in scale_factor
transform = self.node.canvas.scene.node_transform(self.node)
AttributeError: 'NoneType' object has no attribute 'scene'

# Fixed code
def _remove_layer(self, event):
    """When a layer is removed, remove its parent.

    Parameters
    ----------
    event : qtpy.QtCore.QEvent
        Event from the Qt context.
    """
    layer = event.item
    vispy_layer = self.layer_to_visual[layer]
    self.canvas.events.draw.disconnect(vispy_layer.on_draw)
    vispy_layer.node.transforms = ChainTransform()
    vispy_layer.node.parent = None
    del vispy_layer
# Buggy code
def scale_factor(self):
    """float: Conversion factor from canvas coordinates to image
    coordinates, which depends on the current zoom level.
    """
    transform = self.node.canvas.scene.node_transform(self.node)
    scale_factor = transform.map([1, 1])[0] - transform.map([0, 0])[0]
    return scale_factor


# Traceback (AttributeError)
Traceback (most recent call last):
File "XXXX\lib\site-packages\vispy\app\backends\_qt.py", line 825, in paintGL
self._vispy_canvas.events.draw(region=None)
File "XXXX\lib\site-packages\vispy\util\event.py", line 455, in __call__
self._invoke_callback(cb, event)
File "XXXX\lib\site-packages\vispy\util\event.py", line 473, in _invoke_callback
_handle_exception(self.ignore_callback_errors,
File "XXXX\lib\site-packages\vispy\util\event.py", line 471, in _invoke_callback
cb(event)
File "YYY\napari\napari\_vispy\vispy_base_layer.py", line 234, in on_draw
self.layer.scale_factor = self.scale_factor
File "YYY\napari\napari\_vispy\vispy_base_layer.py", line 131, in scale_factor
transform = self.node.canvas.scene.node_transform(self.node)
AttributeError: 'NoneType' object has no attribute 'scene'

# Fixed code
def scale_factor(self):
    """float: Conversion factor from canvas pixels to data coordinates."""
    if self.node.canvas is not None:
        transform = self.node.canvas.scene.node_transform(self.node)
        return transform.map([1, 1])[0] - transform.map([0, 0])[0]
    else:
        return 1
# Buggy code
def _transform_position(self, position):
    """Transform cursor position from canvas space (x, y) into image space.

    Parameters
    -------
    position : 2-tuple
        Cursor position in canvase (x, y).

    Returns
    -------
    coords : tuple
        Coordinates of cursor in image space for displayed dimensions only
    """
    nd = self.layer.dims.ndisplay
    if self.node.canvas is not None:
        transform = self.node.canvas.scene.node_transform(self.node)
        # Map and offset position so that pixel center is at 0
        mapped_position = transform.map(list(position))[:nd] - 0.5
        coords = tuple(mapped_position[::-1])
    else:
        coords = (0,) * nd
    return coords


# Traceback (AttributeError)
Traceback (most recent call last):
File "XXXX\lib\site-packages\vispy\app\backends\_qt.py", line 825, in paintGL
self._vispy_canvas.events.draw(region=None)
File "XXXX\lib\site-packages\vispy\util\event.py", line 455, in __call__
self._invoke_callback(cb, event)
File "XXXX\lib\site-packages\vispy\util\event.py", line 473, in _invoke_callback
_handle_exception(self.ignore_callback_errors,
File "XXXX\lib\site-packages\vispy\util\event.py", line 471, in _invoke_callback
cb(event)
File "YYY\napari\napari\_vispy\vispy_base_layer.py", line 234, in on_draw
self.layer.scale_factor = self.scale_factor
File "YYY\napari\napari\_vispy\vispy_base_layer.py", line 131, in scale_factor
transform = self.node.canvas.scene.node_transform(self.node)
AttributeError: 'NoneType' object has no attribute 'scene'

# Fixed code
def _transform_position(self, position):
    """Transform cursor position from canvas space (x, y) into image space.

    Parameters
    -------
    position : 2-tuple
        Cursor position in canvase (x, y).

    Returns
    -------
    coords : tuple
        Coordinates of cursor in image space for displayed dimensions only
    """
    nd = self.layer.dims.ndisplay
    if self.node.canvas is not None:
        transform = self.node.canvas.scene.node_transform(self.node)
        # Map and offset position so that pixel center is at 0
        mapped_position = transform.map(list(position))[:nd] - 0.5
        return tuple(mapped_position[::-1])
    else:
        return (0,) * nd
# Buggy code
def guess_continuous(property: np.ndarray) -> bool:
    """Guess if the property is continuous (return True) or categorical (return False)"""
    # if the property is a floating type, guess continuous
    if issubclass(property.dtype.type, np.floating) and len(property < 16):
        return True
    else:
        return False


# Traceback (IndexError)
(base) czirwc1macos2701:image-demos nsofroniew$ python test-examples/points_properties_empty.py
Traceback (most recent call last):
File "test-examples/points_properties_empty.py", line 29, in <module>
name='points'
File "/Users/nsofroniew/GitHub/napari/napari/components/add_layers_mixin.py", line 366, in add_points
visible=visible,
File "/Users/nsofroniew/GitHub/napari/napari/layers/points/points.py", line 336, in __init__
self._current_face_color = self.face_color[-1]
IndexError: index -1 is out of bounds for axis 0 with size 0

# Fixed code
def guess_continuous(property: np.ndarray) -> bool:
    """Guess if the property is continuous (return True) or categorical (return False)"""
    # if the property is a floating type, guess continuous
    if issubclass(property.dtype.type, np.floating) or len(np.unique(property)) > 16:
        return True
    else:
        return False
# Buggy code
def properties(self, properties: Dict[str, np.ndarray]):
    if not isinstance(properties, dict):
        properties = dataframe_to_properties(properties)
    self._properties = self._validate_properties(properties)
    if self._face_color_property and (
        self._face_color_property not in self._properties
    ):
        self._face_color_property = ""
        warnings.warn("property used for face_color dropped")


# Traceback (IndexError)
(base) czirwc1macos2701:image-demos nsofroniew$ python test-examples/points_properties_empty.py
Traceback (most recent call last):
File "test-examples/points_properties_empty.py", line 29, in <module>
name='points'
File "/Users/nsofroniew/GitHub/napari/napari/components/add_layers_mixin.py", line 366, in add_points
visible=visible,
File "/Users/nsofroniew/GitHub/napari/napari/layers/points/points.py", line 336, in __init__
self._current_face_color = self.face_color[-1]
IndexError: index -1 is out of bounds for axis 0 with size 0

# Fixed code
def properties(self, properties: Dict[str, np.ndarray]):
    if not isinstance(properties, dict):
        properties = dataframe_to_properties(properties)
    self._properties = self._validate_properties(properties)
    if self._face_color_property and (
        self._face_color_property not in self._properties
    ):
        self._face_color_property = ""
        warnings.warn("property used for face_color dropped")

    if self._edge_color_property and (
        self._edge_color_property not in self._properties
    ):
        self._edge_color_property = ""
        warnings.warn("property used for edge_color dropped")
# Buggy code
def _validate_properties(self, properties: Dict[str, np.ndarray]):
    """Validates the type and size of the properties"""
    for v in properties.values():
        if len(v) != len(self.data):
            raise ValueError("the number of properties must equal the number of points")

    return properties


# Traceback (IndexError)
(base) czirwc1macos2701:image-demos nsofroniew$ python test-examples/points_properties_empty.py
Traceback (most recent call last):
File "test-examples/points_properties_empty.py", line 29, in <module>
name='points'
File "/Users/nsofroniew/GitHub/napari/napari/components/add_layers_mixin.py", line 366, in add_points
visible=visible,
File "/Users/nsofroniew/GitHub/napari/napari/layers/points/points.py", line 336, in __init__
self._current_face_color = self.face_color[-1]
IndexError: index -1 is out of bounds for axis 0 with size 0

# Fixed code
def _validate_properties(self, properties: Dict[str, np.ndarray]):
    """Validates the type and size of the properties"""
    for k, v in properties.items():
        if len(v) != len(self.data):
            raise ValueError("the number of properties must equal the number of points")
        # ensure the property values are a numpy array
        if type(v) != np.ndarray:
            properties[k] = np.asarray(v)

    return properties
# Buggy code
def _update_palette(self, palette):
    """Update widget color palette.

    Parameters
    ----------
    palette : qtpy.QtGui.QPalette
        Color palette for each widget state (Active, Disabled, Inactive).
    """
    # set window styles which don't use the primary stylesheet
    # FIXME: this is a problem with the stylesheet not using properties
    self._status_bar.setStyleSheet(
        template(
            "QStatusBar { background: {{ background }}; color: {{ text }}; }",
            **palette,
        )
    )
    self._qt_center.setStyleSheet(
        template("QWidget { background: {{ background }}; }", **palette)
    )
    self._qt_window.setStyleSheet(template(self.raw_stylesheet, **palette))


# Traceback (AttributeError)
Traceback (most recent call last):
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 418, in _toggle_theme
self.theme = theme_names[(cur_theme + 1) % len(theme_names)]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 130, in theme
self.palette = self.themes[theme]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 114, in palette
self.events.palette()
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 508, in __call__
self._invoke_callback(cb, event)
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 529, in _invoke_callback
cb_event=(cb, event),
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 523, in _invoke_callback
cb(event)
File "/Users/gbokota/Documents/projekty/napari/napari/_qt/qt_main_window.py", line 99, in <lambda>
lambda event: self._update_palette(event.palette)
AttributeError: 'Event' object has no attribute 'palette'

# Fixed code
def _update_palette(self, event=None):
    """Update widget color palette."""
    # set window styles which don't use the primary stylesheet
    # FIXME: this is a problem with the stylesheet not using properties
    palette = self.qt_viewer.viewer.palette
    self._status_bar.setStyleSheet(
        template(
            "QStatusBar { background: {{ background }}; color: {{ text }}; }",
            **palette,
        )
    )
    self._qt_center.setStyleSheet(
        template("QWidget { background: {{ background }}; }", **palette)
    )
    self._qt_window.setStyleSheet(template(self.raw_stylesheet, **palette))
# Buggy code
def console(self, console):
    self._console = console
    self.dockConsole.widget = console
    self._update_palette(None)


# Traceback (AttributeError)
Traceback (most recent call last):
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 418, in _toggle_theme
self.theme = theme_names[(cur_theme + 1) % len(theme_names)]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 130, in theme
self.palette = self.themes[theme]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 114, in palette
self.events.palette()
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 508, in __call__
self._invoke_callback(cb, event)
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 529, in _invoke_callback
cb_event=(cb, event),
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 523, in _invoke_callback
cb(event)
File "/Users/gbokota/Documents/projekty/napari/napari/_qt/qt_main_window.py", line 99, in <lambda>
lambda event: self._update_palette(event.palette)
AttributeError: 'Event' object has no attribute 'palette'

# Fixed code
def console(self, console):
    self._console = console
    self.dockConsole.widget = console
    self._update_palette()
# Buggy code
def _update_palette(self, event):
    """Update the napari GUI theme."""
    # template and apply the primary stylesheet
    themed_stylesheet = template(self.raw_stylesheet, **self.viewer.palette)
    if self._console is not None:
        self.console._update_palette(self.viewer.palette, themed_stylesheet)
    self.setStyleSheet(themed_stylesheet)
    self.canvas.bgcolor = self.viewer.palette["canvas"]


# Traceback (AttributeError)
Traceback (most recent call last):
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 418, in _toggle_theme
self.theme = theme_names[(cur_theme + 1) % len(theme_names)]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 130, in theme
self.palette = self.themes[theme]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 114, in palette
self.events.palette()
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 508, in __call__
self._invoke_callback(cb, event)
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 529, in _invoke_callback
cb_event=(cb, event),
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 523, in _invoke_callback
cb(event)
File "/Users/gbokota/Documents/projekty/napari/napari/_qt/qt_main_window.py", line 99, in <lambda>
lambda event: self._update_palette(event.palette)
AttributeError: 'Event' object has no attribute 'palette'

# Fixed code
def _update_palette(self, event=None):
    """Update the napari GUI theme."""
    # template and apply the primary stylesheet
    themed_stylesheet = template(self.raw_stylesheet, **self.viewer.palette)
    if self._console is not None:
        self.console._update_palette(self.viewer.palette, themed_stylesheet)
    self.setStyleSheet(themed_stylesheet)
    self.canvas.bgcolor = self.viewer.palette["canvas"]
# Buggy code
def toggle_console_visibility(self, event):
    """Toggle console visible and not visible.

    Imports the console the first time it is requested.
    """
    # force instantiation of console if not already instantiated
    _ = self.console

    viz = not self.dockConsole.isVisible()
    # modulate visibility at the dock widget level as console is docakable
    self.dockConsole.setVisible(viz)
    if self.dockConsole.isFloating():
        self.dockConsole.setFloating(True)

    self.viewerButtons.consoleButton.setProperty(
        "expanded", self.dockConsole.isVisible()
    )
    self.viewerButtons.consoleButton.style().unpolish(self.viewerButtons.consoleButton)
    self.viewerButtons.consoleButton.style().polish(self.viewerButtons.consoleButton)


# Traceback (AttributeError)
Traceback (most recent call last):
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 418, in _toggle_theme
self.theme = theme_names[(cur_theme + 1) % len(theme_names)]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 130, in theme
self.palette = self.themes[theme]
File "/Users/gbokota/Documents/projekty/napari/napari/components/viewer_model.py", line 114, in palette
self.events.palette()
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 508, in __call__
self._invoke_callback(cb, event)
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 529, in _invoke_callback
cb_event=(cb, event),
File "/Users/gbokota/Documents/projekty/napari/napari/utils/event.py", line 523, in _invoke_callback
cb(event)
File "/Users/gbokota/Documents/projekty/napari/napari/_qt/qt_main_window.py", line 99, in <lambda>
lambda event: self._update_palette(event.palette)
AttributeError: 'Event' object has no attribute 'palette'

# Fixed code
def toggle_console_visibility(self, event=None):
    """Toggle console visible and not visible.

    Imports the console the first time it is requested.
    """
    # force instantiation of console if not already instantiated
    _ = self.console

    viz = not self.dockConsole.isVisible()
    # modulate visibility at the dock widget level as console is docakable
    self.dockConsole.setVisible(viz)
    if self.dockConsole.isFloating():
        self.dockConsole.setFloating(True)

    self.viewerButtons.consoleButton.setProperty(
        "expanded", self.dockConsole.isVisible()
    )
    self.viewerButtons.consoleButton.style().unpolish(self.viewerButtons.consoleButton)
    self.viewerButtons.consoleButton.style().polish(self.viewerButtons.consoleButton)
# Buggy code
def on_mouse_press(self, event):
    """Called whenever mouse pressed in canvas.

    Parameters
    ----------
    event : Event
        Vispy event
    """
    if self._mode == Mode.PAN_ZOOM:
        # If in pan/zoom mode do nothing
        pass
    elif self._mode == Mode.PICKER:
        self.selected_label = self._value
    elif self._mode == Mode.PAINT:
        # Start painting with new label
        self._save_history()
        self._block_saving = True
        self.paint(self.coordinates, self.selected_label)
        self._last_cursor_coord = copy(self.coordinates)
    elif self._mode == Mode.FILL:
        # Fill clicked on region with new label
        self.fill(self.coordinates, self._value, self.selected_label)
    else:
        raise ValueError("Mode not recongnized")


# Traceback (TypeError)
Traceback (most recent call last):
File "~/miniconda3/envs/napdev/lib/python3.7/site-packages/vispy/app/backends/_qt.py", line 447, in mousePressEvent
modifiers=self._modifiers(ev),
File "~/miniconda3/envs/napdev/lib/python3.7/site-packages/vispy/app/base.py", line 181, in _vispy_mouse_press
ev = self._vispy_canvas.events.mouse_press(**kwargs)
File "~/miniconda3/envs/napdev/lib/python3.7/site-packages/vispy/util/event.py", line 455, in __call__
self._invoke_callback(cb, event)
File "~/miniconda3/envs/napdev/lib/python3.7/site-packages/vispy/util/event.py", line 475, in _invoke_callback
self, cb_event=(cb, event))
File "~/miniconda3/envs/napdev/lib/python3.7/site-packages/vispy/util/event.py", line 471, in _invoke_callback
cb(event)
File "~/napari/napari/_qt/qt_viewer.py", line 338, in on_mouse_press
self.layer_to_visual[layer].on_mouse_press(event)
File "~/napari/napari/_vispy/vispy_base_layer.py", line 194, in on_mouse_press
self.layer.on_mouse_press(event)
File "~/napari/napari/layers/labels/labels.py", line 542, in on_mouse_press
self.selected_label = self._value
File "~/napari/napari/layers/labels/labels.py", line 270, in selected_label
if selected_label < 0:
TypeError: '<' not supported between instances of 'NoneType' and 'int'

# Fixed code
def on_mouse_press(self, event):
    """Called whenever mouse pressed in canvas.

    Parameters
    ----------
    event : Event
        Vispy event
    """
    if self._mode == Mode.PAN_ZOOM:
        # If in pan/zoom mode do nothing
        pass
    elif self._mode == Mode.PICKER:
        self.selected_label = self._value or 0
    elif self._mode == Mode.PAINT:
        # Start painting with new label
        self._save_history()
        self._block_saving = True
        self.paint(self.coordinates, self.selected_label)
        self._last_cursor_coord = copy(self.coordinates)
    elif self._mode == Mode.FILL:
        # Fill clicked on region with new label
        self.fill(self.coordinates, self._value, self.selected_label)
    else:
        raise ValueError("Mode not recongnized")