# Buggy code
def print_item_impl(context, builder, sig, args):
    """
    Print a single native value by boxing it in a Python object and
    invoking the Python interpreter's print routine.
    """
    (ty,) = sig.args
    (val,) = args

    pyapi = context.get_python_api(builder)

    if context.enable_nrt:
        context.nrt.incref(builder, ty, val)
    # XXX unfortunately, we don't have access to the env manager from here
    obj = pyapi.from_native_value(ty, val)
    with builder.if_else(cgutils.is_not_null(builder, obj), likely=True) as (
        if_ok,
        if_error,
    ):
        with if_ok:
            pyapi.print_object(obj)
            pyapi.decref(obj)
        with if_error:
            cstr = context.insert_const_string(builder.module, "the print() function")
            strobj = pyapi.string_from_string(cstr)
            pyapi.err_write_unraisable(strobj)
            pyapi.decref(strobj)

    res = context.get_dummy_value()
    return impl_ret_untracked(context, builder, sig.return_type, res)


# Traceback (TypeError)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-15-3b23f7331ceb> in <module>()
----> 1 @jit(arg_types=[numba.double], ret_type=numba.double)
2 def is_REALLY_five(some_value):
3     for i in range(5):
4         if some_value == 5.0:
5             return 1.0

/Library/Frameworks/EPD64.framework/Versions/7.3/lib/python2.7/site-packages/numba/decorators.pyc in _jit(func)
77                   "garbage collected!" % (func,))
78         t = Translate(func, *args, **kws)
---> 79         t.translate()
80         __tr_map__[func] = t
81         return t.get_ctypes_func(llvm)

/Library/Frameworks/EPD64.framework/Versions/7.3/lib/python2.7/site-packages/numba/translate.pyc in translate(self)
926                     # Ensure we are playing with locals that might
927                     # actually precede the next block.
--> 928                     self.check_locals(i)
929
930                 self.crnt_block = i

/Library/Frameworks/EPD64.framework/Versions/7.3/lib/python2.7/site-packages/numba/translate.pyc in check_locals(self, i)
1135                 else:
1136                     assert next_locals is not None, "Internal compiler error!"
-> 1137             self._locals = next_locals[:]
1138
1139     def get_ctypes_func(self, llvm=True):

TypeError: 'NoneType' object has no attribute '__getitem__'

# Fixed code
def print_item_impl(context, builder, sig, args):
    """
    Print a single native value by boxing it in a Python object and
    invoking the Python interpreter's print routine.
    """
    (ty,) = sig.args
    (val,) = args

    pyapi = context.get_python_api(builder)
    env_manager = context.get_env_manager(builder)

    if context.enable_nrt:
        context.nrt.incref(builder, ty, val)

    obj = pyapi.from_native_value(ty, val, env_manager)
    with builder.if_else(cgutils.is_not_null(builder, obj), likely=True) as (
        if_ok,
        if_error,
    ):
        with if_ok:
            pyapi.print_object(obj)
            pyapi.decref(obj)
        with if_error:
            cstr = context.insert_const_string(builder.module, "the print() function")
            strobj = pyapi.string_from_string(cstr)
            pyapi.err_write_unraisable(strobj)
            pyapi.decref(strobj)

    res = context.get_dummy_value()
    return impl_ret_untracked(context, builder, sig.return_type, res)