root@tomoyafujita:~/ros2_ws/colcon_ws# rosdoc2 build --package-path ./src/ros2/rclpy/rclpy
[rosdoc2] [INFO] Note: the user provided sourcedir for Sphinx '/root/ros2_ws/colcon_ws/src/ros2/rclpy/rclpy/docs/source/' will be used.
...

[autosummary] generating autosummary for: about.rst, api.rst, api/actions.rst, api/clock.rst, api/context.rst, api/execution_and_callbacks.rst, api/init_shutdown.rst, api/logging.rst, api/node.rst, api/parameters.rst, ..., rclpy.type_hash.rst, rclpy.type_support.rst, rclpy.utilities.rst, rclpy.validate_full_topic_name.rst, rclpy.validate_namespace.rst, rclpy.validate_node_name.rst, rclpy.validate_parameter_name.rst, rclpy.validate_topic_name.rst, rclpy.wait_for_message.rst, rclpy.waitable.rst
WARNING: Failed to import rclpy.signals.
Possible hints:
* ModuleNotFoundError: No module named 'rclpy._rclpy_pybind11'
The C extension '/root/ros2_ws/colcon_ws/build/rpyutils/_rclpy_pybind11.cpython-310-x86_64-linux-gnu.so' isn't present on the system. Please refer to 'https://docs.ros.org/en/rolling/How-To-Guides/Installation-Troubleshooting.html#import-failing-without-library-present-on-the-system' for possible solutions
* KeyError: 'rclpy'
WARNING: Failed to import rclpy.validate_parameter_name.
Possible hints:
* ModuleNotFoundError: No module named 'rclpy._rclpy_pybind11'
The C extension '/root/ros2_ws/colcon_ws/build/rpyutils/_rclpy_pybind11.cpython-310-x86_64-linux-gnu.so' isn't present on the system. Please refer to 'https://docs.ros.org/en/rolling/How-To-Guides/Installation-Troubleshooting.html#import-failing-without-library-present-on-the-system' for possible solutions
* KeyError: 'rclpy'
WARNING: Failed to import rclpy.event_handler.
Possible hints:
* ModuleNotFoundError: No module named 'rclpy._rclpy_pybind11'
The C extension '/root/ros2_ws/colcon_ws/build/rpyutils/_rclpy_pybind11.cpython-310-x86_64-linux-gnu.so' isn't present on the system. Please refer to 'https://docs.ros.org/en/rolling/How-To-Guides/Installation-Troubleshooting.html#import-failing-without-library-present-on-the-system' for possible solutions
* KeyError: 'rclpy'
WARNING: Failed to import rclpy.qos_overriding_options.
Possible hints:
* ModuleNotFoundError: No module named 'rclpy._rclpy_pybind11'
The C extension '/root/ros2_ws/colcon_ws/build/rpyutils/_rclpy_pybind11.cpython-310-x86_64-linux-gnu.so' isn't present on the system. Please refer to 'https://docs.ros.org/en/rolling/How-To-Guides/Installation-Troubleshooting.html#import-failing-without-library-present-on-the-system' for possible solutions
* KeyError: 'rclpy'
WARNING: Failed to import rclpy.impl.rcutils_logger.
Possible hints:
* ModuleNotFoundError: No module named 'rclpy._rclpy_pybind11'
The C extension '/root/ros2_ws/colcon_ws/build/rpyutils/_rclpy_pybind11.cpython-310-x86_64-linux-gnu.so' isn't present on the system. Please refer to 'https://docs.ros.org/en/rolling/How-To-Guides/Installation-Troubleshooting.html#import-failing-without-library-present-on-the-system' for possible solutions
* AttributeError: module 'rclpy.impl' has no attribute 'rcutils_logger'