1: =================================== ERRORS ====================================
1: ________________________ ERROR collecting test session ________________________
1: C:\Python38\lib\site-packages\pluggy\hooks.py:286: in __call__
1:     return self._hookexec(self, self.get_hookimpls(), kwargs)
1: C:\Python38\lib\site-packages\pluggy\manager.py:93: in _hookexec
1:     return self._inner_hookexec(hook, methods, kwargs)
1: C:\Python38\lib\site-packages\pluggy\manager.py:84: in <lambda>
1:     self._inner_hookexec = lambda hook, methods, kwargs: hook.multicall(
1: C:\Python38\lib\site-packages\_pytest\python.py:195: in pytest_collect_file
1:     module = ihook.pytest_pycollect_makemodule(
1: C:\Python38\lib\site-packages\pluggy\hooks.py:286: in __call__
1:     return self._hookexec(self, self.get_hookimpls(), kwargs)
1: C:\Python38\lib\site-packages\pluggy\manager.py:93: in _hookexec
1:     return self._inner_hookexec(hook, methods, kwargs)
1: C:\Python38\lib\site-packages\pluggy\manager.py:84: in <lambda>
1:     self._inner_hookexec = lambda hook, methods, kwargs: hook.multicall(
1: C:\ci\ws\install\Lib\site-packages\launch_testing\pytest\hooks.py:161: in pytest_pycollect_makemodule
1:     entrypoint = find_launch_test_entrypoint(path)
1: C:\ci\ws\install\Lib\site-packages\launch_testing\pytest\hooks.py:155: in find_launch_test_entrypoint
1:     return getattr(path.pyimport(), 'generate_test_description', None)
1: C:\Python38\lib\site-packages\py\_path\local.py:704: in pyimport
1:     __import__(modname)
1: C:\Python38\lib\site-packages\_pytest\assertion\rewrite.py:170: in exec_module
1:     exec(co, module.__dict__)
1: ..\test\test_sequential_reader.py:19: in <module>
1:     from rclpy.serialization import deserialize_message
1: C:\ci\ws\install\Lib\site-packages\rclpy\serialization.py:15: in <module>
1:     from rclpy.impl.implementation_singleton import rclpy_implementation as _rclpy
1: C:\ci\ws\install\Lib\site-packages\rclpy\impl\implementation_singleton.py:32: in <module>
1:     rclpy_implementation = import_c_library('._rclpy', package)
1: C:\ci\ws\install\Lib\site-packages\rpyutils\import_c_library.py:39: in import_c_library
1:     return importlib.import_module(name, package=package)
1: C:\Python38\lib\importlib\__init__.py:127: in import_module
1:     return _bootstrap._gcd_import(name[level:], package, level)
1: E   ModuleNotFoundError: No module named 'rclpy._rclpy'
1: E   The C extension 'C:\ci\ws\install\Lib\site-packages\_rclpy.pyd' isn't present on the system. Please refer to 'https://index.ros.org/doc/ros2/Troubleshooting/Installation-Troubleshooting/#import-failing-without-library-present-on-the-system' for possible solutions
1: - generated xml file: C:\ci\ws\build\rosbag2_py\test_results\rosbag2_py\test_sequential_reader_py.xunit.xml -
1: =========================== short test summary info ===========================
1: ERROR .. - ModuleNotFoundError: No module named 'rclpy._rclpy'
1: !!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
1: ============================== 1 error in 0.43s ===============================