@property
def source_file_name(self):
    fname = inspect.getsourcefile(self.method_obj)
    if fname:
        fname = os.path.relpath(fname, BASE_PATH)
        return fname
@property
def source_file_name(self):
    fname = inspect.getsourcefile(self.method_obj)
    if fname:
        fname = os.path.relpath(fname, BASE_PATH)
        return fname