- update to 9.0.0: * Added MetadataNotFound (subclass of FileNotFoundError) and updated Distribution.metadata/metadata() to raise it when the metadata files are missing instead of returning None (python/cpython#143387). * Removed Python 3.9 compatibility. OBS-URL: https://build.opensuse.org/request/show/1342029 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/python-importlib-metadata?expand=0&rev=31