Method get_suggestion

Lib/test/test_traceback.py:4137–4147

(self, obj, attr_name=None)

    attr_function = getattr

    def get_suggestion(self, obj, attr_name=None):
        if attr_name is not None:
            def callable():
                self.attr_function(obj, attr_name)
        else:
            callable = obj

        result_lines = self.get_exception(
            callable, slice_start=-1, slice_end=None
        )
        return result_lines[0]


class BaseSuggestionTests(SuggestionFormattingTestMixin):