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python · Jul 18, 2023 · 4ffc00d · 4ffc00d
1 parent 1acbed6
commit 4ffc00d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mypy/messages.py b/mypy/messages.py
@@ -14,6 +14,7 @@
 import difflib
 import itertools
 import re
+from collections import defaultdict
 from contextlib import contextmanager
 from textwrap import dedent
 from typing import Any, Callable, Collection, Final, Iterable, Iterator, List, Sequence, cast