求助帖！ros2在创建自己的软件包时的报错

[不学会ros2不改名]

Colcon build时候报错了。
报错内容：
Starting >>> my_package
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python3.8/distutils/core.py", line 225, in run_setup
raise RuntimeError(("'distutils.core.setup()' was never called -- "
RuntimeError: 'distutils.core.setup()' was never called -- perhaps 'setup.py' is not a Distutils setup script?
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/colcon_core/executor/init.py", line 91, in call
rc = await self.task(*args, **kwargs)
File "/usr/lib/python3/dist-packages/colcon_core/task/init.py", line 93, in call
return await task_method(*args, **kwargs)
File "/usr/lib/python3/dist-packages/colcon_ros/task/ament_python/build.py", line 51, in build
setup_py_data = get_setup_data(self.context.pkg, env)
File "/usr/lib/python3/dist-packages/colcon_core/task/python/init.py", line 20, in get_setup_data
return dict(pkg.metadatakey)
File "/usr/lib/python3/dist-packages/colcon_ros/package_augmentation/ros_ament_python.py", line 57, in getter
return get_setup_information(
File "/usr/lib/python3/dist-packages/colcon_python_setup_py/package_identification/python_setup_py.py", line 241, in get_setup_information
_setup_information_cache[hashable_env] = get_setup_information(
File "/usr/lib/python3/dist-packages/colcon_python_setup_py/package_identification/python_setup_py.py", line 288, in get_setup_information
result = subprocess.run(
File "/usr/lib/python3.8/subprocess.py", line 516, in run
raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['/usr/bin/python3', '-c', 'import sys;from contextlib import suppress;exec("with suppress(ImportError): from setuptools.extern.packaging.specifiers import SpecifierSet");exec("with suppress(ImportError): from packaging.specifiers import SpecifierSet");from distutils.core import run_setup;dist = run_setup( 'setup.py', script_args=('--dry-run',), stop_after='config');skip_keys = ('cmdclass', 'distclass', 'ext_modules', 'metadata');data = { key: value for key, value in dist.dict.items() if ( not key.startswith('') and not callable(value) and key not in skip_keys and key not in dist.display_option_names )};data['metadata'] = { k: v for k, v in dist.metadata.dict.items() if k not in ('license_files', 'provides_extras')};sys.stdout.buffer.write(repr(data).encode('utf-8'))']' returned non-zero exit status 1.
Failed <<< my_package [0.22s, exited with code 1]
[7.586s] ERROR:colcon.colcon_core.executor.sequential:Exception in job execution 'my_package': Command '['/usr/bin/python3', '-c', 'import sys;from contextlib import suppress;exec("with suppress(ImportError): from setuptools.extern.packaging.specifiers import SpecifierSet");exec("with suppress(ImportError): from packaging.specifiers import SpecifierSet");from distutils.core import run_setup;dist = run_setup( 'setup.py', script_args=('--dry-run',), stop_after='config');skip_keys = ('cmdclass', 'distclass', 'ext_modules', 'metadata');data = { key: value for key, value in dist.dict.items() if ( not key.startswith('') and not callable(value) and key not in skip_keys and key not in dist.display_option_names )};data['metadata'] = { k: v for k, v in dist.metadata.dict.items() if k not in ('license_files', 'provides_extras')};sys.stdout.buffer.write(repr(data).encode('utf-8'))']' returned non-zero exit status 1.
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/colcon_core/executor/sequential.py", line 48, in execute
loop.run_until_complete(future)
File "/usr/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
return future.result()
File "/usr/lib/python3/dist-packages/colcon_core/executor/init.py", line 91, in call
rc = await self.task(*args, **kwargs)
File "/usr/lib/python3/dist-packages/colcon_core/task/init.py", line 93, in call
return await task_method(*args, **kwargs)
File "/usr/lib/python3/dist-packages/colcon_ros/task/ament_python/build.py", line 51, in build
setup_py_data = get_setup_data(self.context.pkg, env)
File "/usr/lib/python3/dist-packages/colcon_core/task/python/init.py", line 20, in get_setup_data
return dict(pkg.metadatakey)
File "/usr/lib/python3/dist-packages/colcon_ros/package_augmentation/ros_ament_python.py", line 57, in getter
return get_setup_information(
File "/usr/lib/python3/dist-packages/colcon_python_setup_py/package_identification/python_setup_py.py", line 241, in get_setup_information
_setup_information_cache[hashable_env] = _get_setup_information(
File "/usr/lib/python3/dist-packages/colcon_python_setup_py/package_identification/python_setup_py.py", line 288, in get_setup_information
result = subprocess.run(
File "/usr/lib/python3.8/subprocess.py", line 516, in run
raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['/usr/bin/python3', '-c', 'import sys;from contextlib import suppress;exec("with suppress(ImportError): from setuptools.extern.packaging.specifiers import SpecifierSet");exec("with suppress(ImportError): from packaging.specifiers import SpecifierSet");from distutils.core import run_setup;dist = run_setup( 'setup.py', script_args=('--dry-run',), stop_after='config');skip_keys = ('cmdclass', 'distclass', 'ext_modules', 'metadata');data = { key: value for key, value in dist.dict.items() if ( not key.startswith('') and not callable(value) and key not in skip_keys and key not in dist.display_option_names )};data['metadata'] = { k: v for k, v in dist.metadata.dict.items() if k not in ('license_files', 'provides_extras')};sys.stdout.buffer.write(repr(data).encode('utf-8'))']' returned non-zero exit status 1.