def __getattr__(self, name):
        if name == 'sequence':
            warnings.warn('Use of the sequence attribute is deprecated.'
                ' Use the keys method instead.', DeprecationWarning)
            # NOTE: Still (currently) returns a direct reference. Need to
            #   because code that uses sequence will expect to be able to
            #   mutate it in place.
            return self._sequence
        else:
            # raise the appropriate error
            raise AttributeError("OrderedDict has no '%s' attribute" % name)
Application.find() returns a command with missing namespace
dataset/ETHPy150Open editorconfig/editorconfig-vim/plugin/editorconfig-core-py/editorconfig/odict.py/OrderedDict.__getattr__--crossover with--dataset/ETHPy150Open sdispater/cleo/tests/test_application.py/ApplicationTest.test_find_command_with_missing_namespace