gurudesh/pytracebugs huggingface dataset:
# Buggy code
def cloudwatch():
    try:
        incomingAlert = parse_notification(request.data)
    except ValueError as e:
        raise ApiError(str(e), 400)

    incomingAlert.customer = assign_customer(wanted=incomingAlert.customer)
    add_remote_ip(request, incomingAlert)

    try:
        alert = process_alert(incomingAlert)
    except RejectException as e:
        raise ApiError(str(e), 403)
    except Exception as e:
        raise ApiError(str(e), 500)

    if alert:
        return jsonify(status="ok", id=alert.id, alert=alert.serialize), 201
    else:
        raise ApiError("insert or update of cloudwatch alarm failed", 500)


# Traceback (TypeError)
Traceback (most recent call last):
File "/opt/alerta/venv/lib/python3.5/site-packages/flask/app.py", line 1612, in full_dispatch_request
rv = self.dispatch_request()
File "/opt/alerta/venv/lib/python3.5/site-packages/flask/app.py", line 1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/opt/alerta/venv/lib/python3.5/site-packages/flask_cors/decorator.py", line 128, in wrapped_function
resp = make_response(f(*args, **kwargs))
File "/opt/alerta/venv/lib/python3.5/site-packages/alerta/auth/utils.py", line 95, in wrapped
return f(*args, **kwargs)
File "/opt/alerta/venv/lib/python3.5/site-packages/alerta/webhooks/cloudwatch.py", line 81, in cloudwatch
incomingAlert = parse_notification(request.data)
File "/opt/alerta/venv/lib/python3.5/site-packages/alerta/webhooks/cloudwatch.py", line 29, in parse_notification
notification = json.loads(notification)
File "/usr/lib/python3.5/json/__init__.py", line 312, in loads
s.__class__.__name__))
TypeError: the JSON object must be str, not 'bytes'

# Fixed code
def cloudwatch():
    try:
        incomingAlert = parse_notification(request.json)
    except ValueError as e:
        raise ApiError(str(e), 400)

    incomingAlert.customer = assign_customer(wanted=incomingAlert.customer)
    add_remote_ip(request, incomingAlert)

    try:
        alert = process_alert(incomingAlert)
    except RejectException as e:
        raise ApiError(str(e), 403)
    except Exception as e:
        raise ApiError(str(e), 500)

    if alert:
        return jsonify(status="ok", id=alert.id, alert=alert.serialize), 201
    else:
        raise ApiError("insert or update of cloudwatch alarm failed", 500)
# Buggy code
def cloudwatch():
    try:
        incomingAlert = parse_notification(request.json)
    except ValueError as e:
        raise ApiError(str(e), 400)

    incomingAlert.customer = assign_customer(wanted=incomingAlert.customer)
    add_remote_ip(request, incomingAlert)

    try:
        alert = process_alert(incomingAlert)
    except RejectException as e:
        raise ApiError(str(e), 403)
    except Exception as e:
        raise ApiError(str(e), 500)

    if alert:
        return jsonify(status="ok", id=alert.id, alert=alert.serialize), 201
    else:
        raise ApiError("insert or update of cloudwatch alarm failed", 500)


# Traceback (TypeError)
Traceback (most recent call last):
File "/opt/alerta/venv/lib/python3.5/site-packages/flask/app.py", line 1612, in full_dispatch_request
rv = self.dispatch_request()
File "/opt/alerta/venv/lib/python3.5/site-packages/flask/app.py", line 1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/opt/alerta/venv/lib/python3.5/site-packages/flask_cors/decorator.py", line 128, in wrapped_function
resp = make_response(f(*args, **kwargs))
File "/opt/alerta/venv/lib/python3.5/site-packages/alerta/auth/utils.py", line 95, in wrapped
return f(*args, **kwargs)
File "/opt/alerta/venv/lib/python3.5/site-packages/alerta/webhooks/cloudwatch.py", line 81, in cloudwatch
incomingAlert = parse_notification(request.data)
File "/opt/alerta/venv/lib/python3.5/site-packages/alerta/webhooks/cloudwatch.py", line 29, in parse_notification
notification = json.loads(notification)
File "/usr/lib/python3.5/json/__init__.py", line 312, in loads
s.__class__.__name__))
TypeError: the JSON object must be str, not 'bytes'

# Fixed code
def cloudwatch():
    try:
        incomingAlert = parse_notification(request.get_json(force=True))
    except ValueError as e:
        raise ApiError(str(e), 400)

    incomingAlert.customer = assign_customer(wanted=incomingAlert.customer)
    add_remote_ip(request, incomingAlert)

    try:
        alert = process_alert(incomingAlert)
    except RejectException as e:
        raise ApiError(str(e), 403)
    except Exception as e:
        raise ApiError(str(e), 500)

    if alert:
        return jsonify(status="ok", id=alert.id, alert=alert.serialize), 201
    else:
        raise ApiError("insert or update of cloudwatch alarm failed", 500)
# Buggy code
def housekeeping(expired_threshold=2, info_threshold=12):
    for id, event, status, last_receive_id in db.housekeeping(
        expired_threshold, info_threshold
    ):
        if status == "open":
            text = "unshelved after timeout"
        elif status == "expired":
            text = "expired after timeout"
        else:
            text = "alert timeout status change"
        history = History(
            id=last_receive_id,
            event=event,
            status=status,
            text=text,
            change_type="status",
            update_time=datetime.utcnow(),
        )
        db.set_status(
            id, status, timeout=current_app.config["ALERT_TIMEOUT"], history=history
        )


# Traceback (ApiError)
2018-04-28 00:06:43,862 - alerta[18702]: ERROR - HOUSEKEEPING FAILED: Type names and field names can only contain alphanumeric characters and underscores: '?column?' [in /usr/lib/python2.7/site-packages/alerta_server-5.2.0_-py2.7.egg/alerta/exceptions.py:67]
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/flask/app.py", line 1612, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/lib/python2.7/site-packages/flask/app.py", line 1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/usr/lib/python2.7/site-packages/flask_cors/decorator.py", line 128, in wrapped_function
resp = make_response(f(*args, **kwargs))
File "/usr/lib/python2.7/site-packages/alerta_server-5.2.0_-py2.7.egg/alerta/auth/utils.py", line 95, in wrapped
return f(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/alerta_server-5.2.0_-py2.7.egg/alerta/management/views.py", line 148, in housekeeping
raise ApiError('HOUSEKEEPING FAILED: %s' % e, 503)
ApiError: HOUSEKEEPING FAILED: Type names and field names can only contain alphanumeric characters and underscores: '?column?'

# Fixed code
def housekeeping(expired_threshold=2, info_threshold=12):
    expired, unshelved = db.housekeeping(expired_threshold, info_threshold)

    for id, event, last_receive_id in expired:
        history = History(
            id=last_receive_id,
            event=event,
            status="expired",
            text="expired after timeout",
            change_type="status",
            update_time=datetime.utcnow(),
        )
        db.set_status(
            id, "expired", timeout=current_app.config["ALERT_TIMEOUT"], history=history
        )

    for id, event, last_receive_id in unshelved:
        history = History(
            id=last_receive_id,
            event=event,
            status="open",
            text="unshelved after timeout",
            change_type="status",
            update_time=datetime.utcnow(),
        )
        db.set_status(
            id, "open", timeout=current_app.config["ALERT_TIMEOUT"], history=history
        )
# Buggy code
def set(self, value):
    db.metrics.update_one(
        {"group": self.group, "name": self.name},
        {
            "group": self.group,
            "name": self.name,
            "title": self.title,
            "description": self.description,
            "value": value,
            "type": "gauge",
        },
        True,
    )


# Traceback (ValueError)
5.172.237.230 - - [13/Jun/2015 19:50:25] "GET /management/status HTTP/1.1" 500 -
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/usr/local/lib/python2.7/dist-packages/flask_cors/extension.py", line 110, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python2.7/dist-packages/flask_cors/extension.py", line 110, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/usr/local/lib/python2.7/dist-packages/flask_cors/decorator.py", line 120, in wrapped_function
resp = make_response(f(*args, **kwargs))
File "/usr/local/lib/python2.7/dist-packages/alerta_server-4.4.4-py2.7.egg/alerta/app/management/views.py", line 121, in status
total_alert_gauge.set(db.get_count())
File "/usr/local/lib/python2.7/dist-packages/alerta_server-4.4.4-py2.7.egg/alerta/app/metrics.py", line 38, in set
True
File "/usr/local/lib/python2.7/dist-packages/pymongo/collection.py", line 635, in update_one
common.validate_ok_for_update(update)
File "/usr/local/lib/python2.7/dist-packages/pymongo/common.py", line 377, in validate_ok_for_update
raise ValueError('update only works with $ operators')
ValueError: update only works with $ operators

# Fixed code
def set(self, value):
    db.metrics.update_one(
        {"group": self.group, "name": self.name},
        {
            "$set": {
                "group": self.group,
                "name": self.name,
                "title": self.title,
                "description": self.description,
                "value": value,
                "type": "gauge",
            }
        },
        upsert=True,
    )
# Buggy code
def inc(self):
    db.metrics.update_one(
        {"group": self.group, "name": self.name},
        {
            "$set": {
                "group": self.group,
                "name": self.name,
                "title": self.title,
                "description": self.description,
                "type": "counter",
            },
            "$inc": {"count": 1},
        },
        True,
    )


# Traceback (ValueError)
5.172.237.230 - - [13/Jun/2015 19:50:25] "GET /management/status HTTP/1.1" 500 -
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/usr/local/lib/python2.7/dist-packages/flask_cors/extension.py", line 110, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python2.7/dist-packages/flask_cors/extension.py", line 110, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/usr/local/lib/python2.7/dist-packages/flask_cors/decorator.py", line 120, in wrapped_function
resp = make_response(f(*args, **kwargs))
File "/usr/local/lib/python2.7/dist-packages/alerta_server-4.4.4-py2.7.egg/alerta/app/management/views.py", line 121, in status
total_alert_gauge.set(db.get_count())
File "/usr/local/lib/python2.7/dist-packages/alerta_server-4.4.4-py2.7.egg/alerta/app/metrics.py", line 38, in set
True
File "/usr/local/lib/python2.7/dist-packages/pymongo/collection.py", line 635, in update_one
common.validate_ok_for_update(update)
File "/usr/local/lib/python2.7/dist-packages/pymongo/common.py", line 377, in validate_ok_for_update
raise ValueError('update only works with $ operators')
ValueError: update only works with $ operators

# Fixed code
def inc(self):
    db.metrics.update_one(
        {"group": self.group, "name": self.name},
        {
            "$set": {
                "group": self.group,
                "name": self.name,
                "title": self.title,
                "description": self.description,
                "type": "counter",
            },
            "$inc": {"count": 1},
        },
        upsert=True,
    )
# Buggy code
def can_delete(self, locale):
    return get_locale_usage(locale) == (0, 0)


# Traceback (django.db.models.deletion.ProtectedError)
Internal Server Error: /locales/1/delete/
Traceback (most recent call last):
File "C:\Work\virtual_env\lib\site-packages\django\core\handlers\exception.py", line 47, in inner
response = get_response(request)
File "C:\Work\virtual_env\lib\site-packages\django\core\handlers\base.py", line 179, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Work\virtual_env\lib\site-packages\django\views\decorators\cache.py", line 44, in _wrapped_view_func
response = view_func(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\wagtail\admin\urls\__init__.py", line 127, in wrapper
return view_func(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\wagtail\admin\auth.py", line 193, in decorated_view
return view_func(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\django\views\generic\base.py", line 70, in view
return self.dispatch(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\wagtail\admin\views\generic.py", line 45, in dispatch
return super().dispatch(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\django\views\generic\base.py", line 98, in dispatch
return handler(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\django\views\generic\edit.py", line 218, in post
return self.delete(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\wagtail_localize\locales\views.py", line 62, in delete
return super().delete(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\wagtail\admin\views\generic.py", line 242, in delete
response = super().delete(request, *args, **kwargs)
File "C:\Work\virtual_env\lib\site-packages\django\views\generic\edit.py", line 213, in delete
self.object.delete()
File "C:\Work\virtual_env\lib\site-packages\django\db\models\base.py", line 946, in delete
collector.collect([self], keep_parents=keep_parents)
File "C:\Work\virtual_env\lib\site-packages\django\db\models\deletion.py", line 308, in collect
set(chain.from_iterable(protected_objects.values())),
django.db.models.deletion.ProtectedError: ("Cannot delete some instances of model 'Locale' because they are referenced through protected foreign keys: 'Page.locale'.", {<Page: Root>})

# Fixed code
def can_delete(self, locale):
    if not self.queryset.exclude(pk=locale.pk).exists():
        self.cannot_delete_message = gettext_lazy(
            "This locale cannot be deleted because there are no other locales."
        )
        return False

    if get_locale_usage(locale) != (0, 0):
        self.cannot_delete_message = gettext_lazy(
            "This locale cannot be deleted because there are pages and/or other objects using it."
        )
        return False

    return True
# Buggy code
def get_active(cls):
    """
    Returns the Locale that corresponds to the currently activated language in Django.
    """
    try:
        return cls.objects.get_for_language(translation.get_language())
    except cls.DoesNotExist:
        return cls.get_default()


# Traceback (LookupError)
Traceback (most recent call last):
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/django/core/handlers/exception.py", line 47, in inner
response = get_response(request)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/django/core/handlers/base.py", line 179, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/views.py", line 17, in serve
page, args, kwargs = site.root_page.localized.specific.route(request, path_components)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 1229, in localized
localized = self.localized_draft
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 1212, in localized_draft
locale = Locale.get_active()
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 372, in get_active
return cls.objects.get_for_language(translation.get_language())
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 339, in get_for_language
return self.get(language_code=get_supported_content_language_variant(language_code))
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/utils.py", line 271, in get_supported_content_language_variant
raise LookupError(lang_code)
LookupError: de

# Fixed code
def get_active(cls):
    """
    Returns the Locale that corresponds to the currently activated language in Django.
    """
    try:
        return cls.objects.get_for_language(translation.get_language())
    except (cls.DoesNotExist, LookupError):
        return cls.get_default()
# Buggy code
def localized(self):
    """
    Finds the translation in the current active language.

    If there is no translation in the active language, self is returned.
    """
    locale = Locale.get_active()

    if locale.id == self.locale_id:
        return self

    return self.get_translation_or_none(locale) or self


# Traceback (LookupError)
Traceback (most recent call last):
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/django/core/handlers/exception.py", line 47, in inner
response = get_response(request)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/django/core/handlers/base.py", line 179, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/views.py", line 17, in serve
page, args, kwargs = site.root_page.localized.specific.route(request, path_components)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 1229, in localized
localized = self.localized_draft
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 1212, in localized_draft
locale = Locale.get_active()
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 372, in get_active
return cls.objects.get_for_language(translation.get_language())
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 339, in get_for_language
return self.get(language_code=get_supported_content_language_variant(language_code))
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/utils.py", line 271, in get_supported_content_language_variant
raise LookupError(lang_code)
LookupError: de

# Fixed code
def localized(self):
    """
    Finds the translation in the current active language.

    If there is no translation in the active language, self is returned.
    """
    try:
        locale = Locale.get_active()
    except (LookupError, Locale.DoesNotExist):
        return self

    if locale.id == self.locale_id:
        return self

    return self.get_translation_or_none(locale) or self
# Buggy code
def localized_draft(self):
    """
    Finds the translation in the current active language.

    If there is no translation in the active language, self is returned.

    Note: This will return translations that are in draft. If you want to exclude
    these, use the ``.localized`` attribute.
    """
    locale = Locale.get_active()

    if locale.id == self.locale_id:
        return self

    return self.get_translation_or_none(locale) or self


# Traceback (LookupError)
Traceback (most recent call last):
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/django/core/handlers/exception.py", line 47, in inner
response = get_response(request)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/django/core/handlers/base.py", line 179, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/views.py", line 17, in serve
page, args, kwargs = site.root_page.localized.specific.route(request, path_components)
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 1229, in localized
localized = self.localized_draft
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 1212, in localized_draft
locale = Locale.get_active()
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 372, in get_active
return cls.objects.get_for_language(translation.get_language())
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/models.py", line 339, in get_for_language
return self.get(language_code=get_supported_content_language_variant(language_code))
File "/home/sef/.virtualenvs/wagtail-bugreport-u47kcAMn/lib/python3.8/site-packages/wagtail/core/utils.py", line 271, in get_supported_content_language_variant
raise LookupError(lang_code)
LookupError: de

# Fixed code
def localized_draft(self):
    """
    Finds the translation in the current active language.

    If there is no translation in the active language, self is returned.

    Note: This will return translations that are in draft. If you want to exclude
    these, use the ``.localized`` attribute.
    """
    try:
        locale = Locale.get_active()
    except (LookupError, Locale.DoesNotExist):
        return self

    if locale.id == self.locale_id:
        return self

    return self.get_translation_or_none(locale) or self
# Buggy code
def __get__(self, obj, type=None):
    if obj is None:
        return self
    return obj.__dict__[self.field.name]


# Traceback (KeyError)
(Pdb++) page
<SimplePage: test>
(Pdb++) page.content
*** KeyError: 'content'
Traceback (most recent call last):
File "/home/myproject/.local/share/virtualenvs/app-4PlAip0Q/lib/python3.7/site-packages/wagtail/core/fields.py", line 34, in __get__
return obj.__dict__[self.field.name]
(Pdb++) page._meta.model.objects.get(pk=page.pk).content
[<wagtail.core.blocks.stream_block.StreamValue.StreamChild object at 0x7fba2f43fb10>]

# Fixed code
def __get__(self, obj, type=None):
    if obj is None:
        return self
    field_name = self.field.name

    if field_name not in obj.__dict__:
        # Field is deferred. Fetch it from db.
        obj.refresh_from_db(fields=[field_name])
    return obj.__dict__[field_name]
# Buggy code
def get_form_class(cls, model):
    """
    Construct a form class that has all the fields and formsets named in
    the children of this edit handler.
    """
    if cls._form_class is None:
        cls._form_class = get_form_for_model(
            model,
            form_class=cls.base_form_class,
            fields=cls.required_fields(),
            formsets=cls.required_formsets(),
            widgets=cls.widget_overrides(),
        )
    return cls._form_class


# Traceback (TypeError)
Traceback (most recent call last):
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/core/handlers/base.py", line 149, in get_response
response = self.process_exception_by_middleware(e, request)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/core/handlers/base.py", line 147, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/views/decorators/cache.py", line 43, in _cache_controlled
response = viewfunc(request, *args, **kw)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/contrib/auth/decorators.py", line 23, in _wrapped_view
return view_func(request, *args, **kwargs)
File "/Users/matt/Dev/MyProject/MyApp/MyApp/wagtail/wagtailadmin/views/pages.py", line 169, in create
parent_page=parent_page)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/modelcluster/forms.py", line 208, in __init__
super(ClusterForm, self).__init__(data, files, instance=instance, prefix=prefix, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'parent_page'

# Fixed code
def get_form_class(cls, model):
    """
    Construct a form class that has all the fields and formsets named in
    the children of this edit handler.
    """
    if cls._form_class is None:
        # If a custom form class was passed to the EditHandler, use it.
        # Otherwise, use the base_form_class from the model.
        # If that is not defined, use WagtailAdminModelForm.
        model_form_class = getattr(model, "base_form_class", WagtailAdminModelForm)
        base_form_class = cls.base_form_class or model_form_class

        cls._form_class = get_form_for_model(
            model,
            form_class=base_form_class,
            fields=cls.required_fields(),
            formsets=cls.required_formsets(),
            widgets=cls.widget_overrides(),
        )
    return cls._form_class
# Buggy code
def __init__(self, children, base_form_class=BaseFormEditHandler.base_form_class):
    self.children = children
    self.base_form_class = base_form_class


# Traceback (TypeError)
Traceback (most recent call last):
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/core/handlers/base.py", line 149, in get_response
response = self.process_exception_by_middleware(e, request)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/core/handlers/base.py", line 147, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/views/decorators/cache.py", line 43, in _cache_controlled
response = viewfunc(request, *args, **kw)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/contrib/auth/decorators.py", line 23, in _wrapped_view
return view_func(request, *args, **kwargs)
File "/Users/matt/Dev/MyProject/MyApp/MyApp/wagtail/wagtailadmin/views/pages.py", line 169, in create
parent_page=parent_page)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/modelcluster/forms.py", line 208, in __init__
super(ClusterForm, self).__init__(data, files, instance=instance, prefix=prefix, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'parent_page'

# Fixed code
def __init__(self, children, base_form_class=None):
    self.children = children
    self.base_form_class = base_form_class
# Buggy code
def __init__(
    self,
    children,
    heading="",
    classname="",
    base_form_class=BaseFormEditHandler.base_form_class,
):
    self.children = children
    self.heading = heading
    self.classname = classname
    self.base_form_class = base_form_class


# Traceback (TypeError)
Traceback (most recent call last):
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/core/handlers/base.py", line 149, in get_response
response = self.process_exception_by_middleware(e, request)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/core/handlers/base.py", line 147, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/views/decorators/cache.py", line 43, in _cache_controlled
response = viewfunc(request, *args, **kw)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/django/contrib/auth/decorators.py", line 23, in _wrapped_view
return view_func(request, *args, **kwargs)
File "/Users/matt/Dev/MyProject/MyApp/MyApp/wagtail/wagtailadmin/views/pages.py", line 169, in create
parent_page=parent_page)
File "/Users/matt/Dev/MyProject/MyApp/lib/python3.4/site-packages/modelcluster/forms.py", line 208, in __init__
super(ClusterForm, self).__init__(data, files, instance=instance, prefix=prefix, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'parent_page'

# Fixed code
def __init__(self, children, heading="", classname="", base_form_class=None):
    self.children = children
    self.heading = heading
    self.classname = classname
    self.base_form_class = base_form_class
# Buggy code
def process_response(self, request, response):
    # No need to check for a redirect for non-404 responses.
    if response.status_code != 404:
        return response

    # Get the path
    path = models.Redirect.normalise_path(request.get_full_path())

    # Get the path without the query string or params
    path_without_query = urlparse(path)[2]

    # Find redirect
    try:
        redirect = models.Redirect.get_for_site(request.site).get(old_path=path)
    except models.Redirect.DoesNotExist:
        if path == path_without_query:
            # don't try again if we know we will get the same response
            return response

        try:
            redirect = models.Redirect.get_for_site(request.site).get(
                old_path=path_without_query
            )
        except models.Redirect.DoesNotExist:
            return response

    if redirect.is_permanent:
        return http.HttpResponsePermanentRedirect(redirect.link)
    else:
        return http.HttpResponseRedirect(redirect.link)


# Traceback (AttributeError)
Internal Server Error: /page/foo
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 223, in get_response
response = middleware_method(request, response)
File "/usr/local/lib/python2.7/dist-packages/wagtail/wagtailredirects/middleware.py", line 22, in process_response
redirect = models.Redirect.get_for_site(request.site).get(old_path=path)
AttributeError: 'WSGIRequest' object has no attribute 'site'

# Fixed code
def process_response(self, request, response):
    # No need to check for a redirect for non-404 responses.
    if response.status_code != 404:
        return response

    # If a middleware before `SiteMiddleware` returned a response the
    # `site` attribute was never set, ref #2120
    if not hasattr(request, "site"):
        return response

    # Get the path
    path = models.Redirect.normalise_path(request.get_full_path())

    # Get the path without the query string or params
    path_without_query = urlparse(path).path

    # Find redirect
    try:
        redirect = models.Redirect.get_for_site(request.site).get(old_path=path)
    except models.Redirect.DoesNotExist:
        if path == path_without_query:
            # don't try again if we know we will get the same response
            return response

        try:
            redirect = models.Redirect.get_for_site(request.site).get(
                old_path=path_without_query
            )
        except models.Redirect.DoesNotExist:
            return response

    if redirect.is_permanent:
        return http.HttpResponsePermanentRedirect(redirect.link)
    else:
        return http.HttpResponseRedirect(redirect.link)
# Buggy code
def get_willow_image(self):
    # Open file if it is closed
    close_file = False
    try:
        if self.file.closed:
            self.file.open("rb")
            close_file = True
    except IOError as e:
        # re-throw this as a SourceImageIOError so that calling code can distinguish
        # these from IOErrors elsewhere in the process
        raise SourceImageIOError(text_type(e))

    # Seek to beginning
    self.file.seek(0)

    try:
        yield WillowImage.open(self.file)
    finally:
        if close_file:
            self.file.close()


# Traceback (ValueError)
[11/Jun/2015 13:05:29] "POST /cms/images/chooser/upload/ HTTP/1.1" 500 23947
Internal Server Error: /cms/images/chooser/upload/
Traceback (most recent call last):
File "/Users/john/.virtualenvs/website/lib/python2.7/site-packages/django/core/handlers/base.py", line 111, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/john/.virtualenvs/website/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 21, in _wrapped_view
return view_func(request, *args, **kwargs)
File "/Users/john/.virtualenvs/website/lib/python2.7/site-packages/wagtail/wagtailimages/views/chooser.py", line 141, in     chooser_upload
{'image_json': get_image_json(image)}
File "/Users/john/.virtualenvs/website/lib/python2.7/site-packages/wagtail/wagtailimages/views/chooser.py", line 22, in     get_image_json
preview_image = image.get_rendition('max-130x100')
File "/Users/john/.virtualenvs/website/lib/python2.7/site-packages/wagtail/wagtailimages/models.py", line 196, in get_rendition
generated_image = filter.process_image(image_file, backend_name=backend_name, focal_point=self.get_focal_point())
File "/Users/john/.virtualenvs/website/lib/python2.7/site-packages/wagtail/wagtailimages/models.py", line 371, in process_image
input_file.open('rb')
File "/Users/john/.virtualenvs/website/lib/python2.7/site-packages/django/core/files/base.py", line 128, in open
raise ValueError("The file cannot be reopened.")
ValueError: The file cannot be reopened.

# Fixed code
def get_willow_image(self):
    # Open file if it is closed
    close_file = False
    try:
        image_file = self.file

        if self.file.closed:
            # Reopen the file
            if self.is_stored_locally():
                self.file.open("rb")
            else:
                # Some external storage backends don't allow reopening
                # the file. Get a fresh file instance. #1397
                storage = self._meta.get_field("file").storage
                image_file = storage.open(self.file.name, "rb")

            close_file = True
    except IOError as e:
        # re-throw this as a SourceImageIOError so that calling code can distinguish
        # these from IOErrors elsewhere in the process
        raise SourceImageIOError(text_type(e))

    # Seek to beginning
    image_file.seek(0)

    try:
        yield WillowImage.open(image_file)
    finally:
        if close_file:
            image_file.close()
# Buggy code
def purge_page_from_cache(page, backend_settings=None, backends=None):
    for backend_name, backend in get_backends(
        backend_settings=backend_settings, backends=backends
    ).items():
        # Purge cached paths from cache
        for path in page.specific.get_cached_paths():
            logger.info("[%s] Purging URL: %s", backend_name, page.full_url + path[1:])
            backend.purge(page.full_url + path[1:])


# Traceback (TypeError)
[17/Apr/2015 20:02:28] ERROR [django.request:231] Internal Server Error: /admin/pages/new/pages/genericpage/1/
Traceback (most recent call last):
File "/Users/jryding/.virtualenvs/cms/lib/python2.7/site-packages/django/core/handlers/base.py", line 111, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/jryding/.virtualenvs/cms/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 21, in _wrapped_view
return view_func(request, *args, **kwargs)
File "/Users/jryding/.virtualenvs/cms/lib/python2.7/site-packages/wagtail/wagtailadmin/views/pages.py", line 211, in create
revision.publish()
File "/Users/jryding/.virtualenvs/cms/lib/python2.7/site-packages/wagtail/wagtailcore/models.py", line 1141, in publish
page_published.send(sender=page.specific_class, instance=page.specific)
File "/Users/jryding/.virtualenvs/cms/lib/python2.7/site-packages/django/dispatch/dispatcher.py", line 198, in send
response = receiver(signal=self, sender=sender, **named)
File "/Users/jryding/.virtualenvs/cms/lib/python2.7/site-packages/wagtail/contrib/wagtailfrontendcache/signal_handlers.py", line 9, in page_published_signal_handler
purge_page_from_cache(instance)
File "/Users/jryding/.virtualenvs/cms/lib/python2.7/site-packages/wagtail/contrib/wagtailfrontendcache/utils.py", line 100, in purge_page_from_cache
logger.info("[%s] Purging URL: %s", backend_name, page.full_url + path[1:])
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

# Fixed code
def purge_page_from_cache(page, backend_settings=None, backends=None):
    page_url = page.full_url
    if page_url is None:  # nothing to be done if the page has no routable URL
        return

    for backend_name, backend in get_backends(
        backend_settings=backend_settings, backends=backends
    ).items():
        # Purge cached paths from cache
        for path in page.specific.get_cached_paths():
            logger.info("[%s] Purging URL: %s", backend_name, page_url + path[1:])
            backend.purge(page_url + path[1:])
# Buggy code
def serialize(self, form):
    data = {}

    for key in form.inputs.keys():
        input = form.inputs[key]
        if getattr(input, "type", "") == "submit":
            form.remove(input)

    for k, v in form.fields.items():
        if v is None:
            continue

        if isinstance(v, lxml.html.MultipleSelectOptions):
            data[k] = [val for val in v]
        else:
            data[k] = v

    for key in form.inputs.keys():
        input = form.inputs[key]
        if getattr(input, "type", "") == "file" and key in data:
            data[key] = open(data[key], "rb")

    return data


# Traceback (ValueError)
Traceback (most recent call last):
File "/home/suresh/appt/myproject/appt/tests/test_blackout2.py", line 96, in test_delete
browser.find_by_name('login').click()
File "/home/suresh/appt/local/lib/python3.5/site-packages/splinter/driver/lxmldriver.py", line 397, in click
return self.parent.submit_data(parent_form)
File "/home/suresh/appt/local/lib/python3.5/site-packages/splinter/driver/djangoclient.py", line 121, in submit_data
return super(DjangoClient, self).submit(form).content
File "/home/suresh/appt/local/lib/python3.5/site-packages/splinter/driver/lxmldriver.py", line 74, in submit
data = self.serialize(form)
File "/home/suresh/appt/local/lib/python3.5/site-packages/splinter/driver/lxmldriver.py", line 48, in serialize
form.remove(input)
File "src/lxml/lxml.etree.pyx", line 950, in lxml.etree._Element.remove (src/lxml/lxml.etree.c:50799)
ValueError: Element is not a child of this node.

# Fixed code
def serialize(self, form):
    data = {}

    for key in form.inputs.keys():
        input = form.inputs[key]
        if getattr(input, "type", "") == "submit":
            try:
                form.remove(input)
            # Issue 595: throws ValueError: Element not child of this node
            except ValueError:
                pass

    for k, v in form.fields.items():
        if v is None:
            continue

        if isinstance(v, lxml.html.MultipleSelectOptions):
            data[k] = [val for val in v]
        else:
            data[k] = v

    for key in form.inputs.keys():
        input = form.inputs[key]
        if getattr(input, "type", "") == "file" and key in data:
            data[key] = open(data[key], "rb")

    return data
# Buggy code
def connect(self, url):
    if not url.startswith("file:"):
        self.request_url = url
        self._create_connection()
        self._store_response()
        self.conn.close()
    else:
        self.status_code = StatusCode(200, "Ok")


# Traceback (AttributeError)
from splinter import Browser
browser = Browser()
browser.visit('about:blank')
Traceback (most recent call last):
File "<input>", line 1, in <module>
File "/Users/lorin/.virtualenvs/myvenv/lib/python2.7/site-packages/splinter/dr
iver/webdriver/__init__.py", line 44, in visit
self.connect(url)
File "/Users/lorin/.virtualenvs/myvenv/lib/python2.7/site-packages/splinter/re
quest_handler/request_handler.py", line 18, in connect
self._create_connection()
File "/Users/lorin/.virtualenvs/myvenv/lib/python2.7/site-packages/splinter/re
quest_handler/request_handler.py", line 43, in _create_connection
self.conn = httplib.HTTPConnection(self.host, self.port)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/h
ttplib.py", line 693, in __init__
self._set_hostport(host, port)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/h
ttplib.py", line 712, in _set_hostport
i = host.rfind(':')
AttributeError: 'NoneType' object has no attribute 'rfind'

# Fixed code
def connect(self, url):
    if not (url.startswith("file:") or url.startswith("about:")):
        self.request_url = url
        self._create_connection()
        self._store_response()
        self.conn.close()
    else:
        self.status_code = StatusCode(200, "Ok")
# Buggy code
def __init__(
    self,
    expectation_suite_name,
    expectations=None,
    evaluation_parameters=None,
    data_asset_type=None,
    meta=None,
):
    self.expectation_suite_name = expectation_suite_name
    if expectations is None:
        expectations = []
    self.expectations = [
        ExpectationConfiguration(**expectation)
        if isinstance(expectation, dict)
        else expectation
        for expectation in expectations
    ]
    if evaluation_parameters is None:
        evaluation_parameters = {}
    self.evaluation_parameters = evaluation_parameters
    self.data_asset_type = data_asset_type
    if meta is None:
        meta = {"great_expectations.__version__": ge_version}
    # We require meta information to be serializable, but do not convert until necessary
    ensure_json_serializable(meta)
    self.meta = meta


# Traceback (KeyError)
--- Logging error ---
Traceback (most recent call last):
File "/Users/taylor/repos/forks/great_expectations/great_expectations/render/renderer/site_builder.py", line 427, in build
rendered_content = self.renderer_class.render(resource)
File "/Users/taylor/repos/forks/great_expectations/great_expectations/render/renderer/page_renderer.py", line 457, in render
self._render_expectation_suite_info(expectations),
File "/Users/taylor/repos/forks/great_expectations/great_expectations/render/renderer/page_renderer.py", line 539, in _render_expectation_suite_info
ge_version = expectations.meta["great_expectations.__version__"]
KeyError: 'great_expectations.__version__'

# Fixed code
def __init__(
    self,
    expectation_suite_name,
    expectations=None,
    evaluation_parameters=None,
    data_asset_type=None,
    meta=None,
):
    self.expectation_suite_name = expectation_suite_name
    if expectations is None:
        expectations = []
    self.expectations = [
        ExpectationConfiguration(**expectation)
        if isinstance(expectation, dict)
        else expectation
        for expectation in expectations
    ]
    if evaluation_parameters is None:
        evaluation_parameters = {}
    self.evaluation_parameters = evaluation_parameters
    self.data_asset_type = data_asset_type
    if meta is None:
        meta = {"great_expectations.__version__": ge_version}
    if not "great_expectations.__version__" in meta.keys():
        meta["great_expectations.__version__"] = ge_version
    # We require meta information to be serializable, but do not convert until necessary
    ensure_json_serializable(meta)
    self.meta = meta
# Buggy code
def setService(self, button):
    try:
        if os.path.exists("/opt/sublime_text/sublime_text"):
            Popen(
                [
                    "/opt/sublime_text/sublime_text",
                    "/lib/systemd/system/xkeysnail.service",
                ]
            )
        elif which(gedit) is not None:
            Popen(["gedit", "/lib/systemd/system/xkeysnail.service"])
        elif which(mousepad) is not None:
            Popen(["mousepad", "/lib/systemd/system/xkeysnail.service"])
        elif which(kate) is not None:
            Popen(["kate", "/lib/systemd/system/xkeysnail.service"])
        elif which(kwrite) is not None:
            Popen(["kwrite", "/lib/systemd/system/xkeysnail.service"])

    except CalledProcessError:  # Notify user about error on running restart commands.
        Popen(["notify-send", "Kinto: Error could not open config file!"])


# Traceback (NameError)
Traceback (most recent call last):
File "/home/nemokden/.config/kinto/kintotray.py", line 623, in setConfig
elif which(gedit) is not None:
NameError: name 'gedit' is not defined
Traceback (most recent call last):
File "/home/nemokden/.config/kinto/kintotray.py", line 635, in setService
elif which(gedit) is not None:
NameError: name 'gedit' is not defined
Traceback (most recent call last):
File "/home/nemokden/.config/kinto/kintotray.py", line 694, in setSysKB
Popen(['gnome-control-center','keyboard'])
File "/usr/lib/python3.8/subprocess.py", line 854, in __init__
self._execute_child(args, executable, preexec_fn, close_fds,
File "/usr/lib/python3.8/subprocess.py", line 1702, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] 그런 파일이나 디렉터리가 없습니다: 'gnome-control-center'
Traceback (most recent call last):
File "/home/nemokden/.config/kinto/kintotray.py", line 700, in setRegion
Popen(['gnome-control-center','region'])
File "/usr/lib/python3.8/subprocess.py", line 854, in __init__
self._execute_child(args, executable, preexec_fn, close_fds,
File "/usr/lib/python3.8/subprocess.py", line 1702, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] 그런 파일이나 디렉터리가 없습니다: 'gnome-control-center'

# Fixed code
def setService(self, button):
    try:
        if os.path.exists("/opt/sublime_text/sublime_text"):
            Popen(
                [
                    "/opt/sublime_text/sublime_text",
                    "/lib/systemd/system/xkeysnail.service",
                ]
            )
        elif which("gedit") is not None:
            Popen(["gedit", "/lib/systemd/system/xkeysnail.service"])
        elif which("mousepad") is not None:
            Popen(["mousepad", "/lib/systemd/system/xkeysnail.service"])
        elif which("kate") is not None:
            Popen(["kate", "/lib/systemd/system/xkeysnail.service"])
        elif which("kwrite") is not None:
            Popen(["kwrite", "/lib/systemd/system/xkeysnail.service"])

    except CalledProcessError:  # Notify user about error on running restart commands.
        Popen(["notify-send", "Kinto: Error could not open config file!"])