gpshead commented on pull request #14975: URL: https://github.com/apache/beam/pull/14975#issuecomment-858080836
I believe the change comes from the https://docs.python.org/3/whatsnew/3.7.html#pep-560-core-support-for-typing-module-and-generic-types PEP-560 refactoring work. The internals of the `typing` module evolved _a lot_ between 3.6 and 3.7. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
