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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2022-06-18 14:41:25 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-18 14:41:25 (GMT) |
| commit | 579e985e75fd682e314c7b0cce6b1751abe8a7d0 (patch) | |
| tree | 1e31ad5eb309303a81c0c7ea64d268cb429473fa /Lib/types.py | |
| parent | 2eff55cd46a55c1eefa8c57b6ab85655dd261fe7 (diff) | |
| download | cpython-579e985e75fd682e314c7b0cce6b1751abe8a7d0.zip cpython-579e985e75fd682e314c7b0cce6b1751abe8a7d0.tar.gz cpython-579e985e75fd682e314c7b0cce6b1751abe8a7d0.tar.bz2 | |
gh-89828: Do not relay the __class__ attribute in GenericAlias (GH-93754)
list[int].__class__ returned type, and isinstance(list[int], type)
returned True. It caused numerous problems in code that checks
isinstance(x, type).
(cherry picked from commit f9433fff476aa13af9cb314fcc6962055faa4085)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Diffstat (limited to 'Lib/types.py')
| -rw-r--r-- | Lib/types.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/types.py b/Lib/types.py index 9490da7..2e73fbc 100644 --- a/Lib/types.py +++ b/Lib/types.py @@ -80,7 +80,7 @@ def resolve_bases(bases): updated = False shift = 0 for i, base in enumerate(bases): - if isinstance(base, type) and not isinstance(base, GenericAlias): + if isinstance(base, type): continue if not hasattr(base, "__mro_entries__"): continue |