Log Message:
py-fasteners: updated to 0.17.3

0.17.3:
  - Allow writer to become a reader in thread ReaderWriter lock

0.17.2:
  - Remove unnecessary setuptools pin

0.17.1:
  - Switch to the modern python package build infrastructure

0.17: [NEVER RELEASED]
  - Remove support for python 3.5 and earlier, including 2.7
  - Add support for python 3.9 and 3.10
  - Fix a conflict with django lock
  - Add __version__ and __all__ attributes
  - Fix a failure to parse README as utf-8
  - Move from nosetest to pytest and cleanup testing infrastructure