[3.7] bpo-33947: dataclasses no longer can raise RecursionError in repr (GF9916) #9970
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The reprlib code was copied here instead of importing reprlib. I'm not sure if we really need to avoid the import, but since I expect dataclasses to be more common that reprlib, it seems wise. Plus, the code is small.
(cherry picked from commit dd13c88)
Co-authored-by: Srinivas Thatiparthy (శ్రీనివాస్ తాటిపర్తి) [email protected]
https://bugs.python.org/issue33947