[issue37219] empty set difference does not check types of values

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:


New changeset 1f11cf9521114447b3e32e2ac88f075ffaa37555 by Raymond Hettinger in branch 'master':
bpo-37219: Remove erroneous optimization for differencing an empty set (GH-13965)
https://github.com/python/cpython/commit/1f11cf9521114447b3e32e2ac88f075ffaa37555


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<https://bugs.python.org/issue37219>
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