Log Message:
py-pkginfo: updated to 1.8.2

1.8.2 (2021-12-01)
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- Add fix for installed distributions with '__package__' set to an empty
  string.

1.8.1 (2021-11-19)
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- Add 'MANIFEST.in' to ensure example files used by tests are included
  in source distributions.

1.8.0 (2021-11-18)
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- Support new standard metadata location for installed dists.
- Don't overwrite header-based 'description' with empty payload.
- Add support for Metadata-Version 2.2.
- Add support for uncompressed tarballs for sdists.
- Add support for Python 3.10.