[3.9] bpo-42179: Doc/tutorial: Remove mention of __cause__ (GH-23162)#23173

miss-islington merged 1 commit intopython:3.9python/cpython:3.9from

miss-islington:backport-bde33e4-3.9miss-islington/cpython:backport-bde33e4-3.9Copy head branch name to clipboard