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This repository was archived by the owner on Mar 6, 2026. It is now read-only.
The release attrs==21.1.0 broke pytype check #655
Description
Running the pytype check on master fails:
$ nox -s pytype
...
return attr.evolve(self, *args, **kwargs)
File "/home/peter/workspace/python-bigquery/.nox/pytype/lib/python3.8/site-packages/attr/_funcs.py", line 347, in evolve
changes[init_name] = evolve(value, **changes[init_name])
TypeError: evolve() argument after ** must be a mapping, not NamedType
...
This happens with the most recent attrs release, namely 21.1.0. The error does not happen in a release before that (attrs==20.3.0).
A possible workaround is to temporarily force installing that version before running pytype.
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