I fetched upstream cpython today and built it (heads/master:6314abc). When i ran `pre-commit` `importlib.metadata` failed with an `ImportError` ``` batuhan@x200-trisquel:~/inspectortiger$ python3.9 -m pre_commit Traceback (most recent call last): File "/usr/local/lib/python3.9/runpy.py", line 192, in _run_module_as_main return _run_code(code, main_globals, None, File "/usr/local/lib/python3.9/runpy.py", line 85, in _run_code exec(code, run_globals) File "/usr/local/lib/python3.9/site-packages/pre_commit/__main__.py", line 3, in <module> from pre_commit.main import main File "/usr/local/lib/python3.9/site-packages/pre_commit/main.py", line 8, in <module> import pre_commit.constants as C File "/usr/local/lib/python3.9/site-packages/pre_commit/constants.py", line 4, in <module> import importlib_metadata # TODO: importlib.metadata py38? File "/usr/local/lib/python3.9/site-packages/importlib_metadata/__init__.py", line 547, in <module> __version__ = version(__name__) File "/usr/local/lib/python3.9/site-packages/importlib_metadata/__init__.py", line 509, in version return distribution(distribution_name).version File "/usr/local/lib/python3.9/site-packages/importlib_metadata/__init__.py", line 482, in distribution return Distribution.from_name(distribution_name) File "/usr/local/lib/python3.9/site-packages/importlib_metadata/__init__.py", line 182, in from_name dists = cls._maybe_bind(resolver, context) File "/usr/local/lib/python3.9/site-packages/importlib_metadata/__init__.py", line 218, in _maybe_bind return resolver(context) ImportError: cannot import name 'MetadataPathFinder' from 'importlib.metadata' (/usr/local/lib/python3.9/importlib/metadata/__init__.py) ``` ``` batuhan@x200-trisquel:~/inspectortiger$ python3.9 -m pip show importlib_metadata Name: importlib-metadata Version: 0.23 Summary: Read metadata from Python packages Home-page: http://importlib-metadata.readthedocs.io/ Author: Barry Warsaw Author-email: barry@python.org License: Apache Software License Location: /usr/local/lib/python3.9/site-packages Requires: zipp Required-by: pre-commit ```