import pathlib test_file = pathlib.Path(__file__) test_dir = test_file.parent project_dir = test_dir.parent import sys sys.path.append(str(project_dir.absolute())) import source as communication def main(): helper = communication.position_message_builder() helper.set_x("10") helper.set_y("15") helper.set_z("11") helper.set_yaw("0") helper.set_roll("90") helper.set_pitch("70") result = helper.build() print(type(result)) if __name__ == "__main__": main()