[issue37826] Document PEP 3134 in tutorials/errors.rst

[miss-islington]

miss-islington <mariatta.wijaya+miss-islington at gmail.com> added the comment:


New changeset dcfe111eb5602333135b8776996332a8dcf59392 by Miss Islington (bot) (Abhilash Raj) in branch 'master':
bpo-37826: Document exception chaining in Python tutorial for errors. (GH-15243)
https://github.com/python/cpython/commit/dcfe111eb5602333135b8776996332a8dcf59392


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nosy: +miss-islington

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