Log Message:
py-modulegraph: updated to 0.19.5

0.19.5
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* Sigh.. Actually fix 2.7 support

0.19.4
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* Fix broken python 2.7 support
* Initial support for Python 3.12
  The changes to support Python 3.12 are a bit rough,
  tests pass but I'm not 100% convinced the changes
  are correct.