Laurelin commented on pull request #16152: URL: https://github.com/apache/beam/pull/16152#issuecomment-992849782
I went looking, the reason Mutation is not pickleable is because it's a nested class. The relevant class [here](https://github.com/googleapis/python-spanner/blob/main/google/cloud/spanner_v1/types/mutation.py) has two inner classes, Write and Delete. Un-nest(sic?) the class and it will be pickleable -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
