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marshmallow >= 3.1.0 not working in Python<3.5.3 #1409
I'm getting the following error when using
The last working version was 3.0.5.
I was able to reproduce this in the
That said, I can't promise we'll continue to support old Python point versions. It will be very costly from a maintenance perspective. These old versions are unsupported and a number of bug fixes and security fixes have been released since 3.5.2.