[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypy/checker.py

@@ -108,7 +108,7 @@ def __init__(self) -> None:
 from mypy.expandtype import expand_type
 from mypy.literals import Key, extract_var_from_literal_hash, literal, literal_hash
 from mypy.maptype import map_instance_to_supertype
-from mypy.meet import is_overlapping_erased_types, is_overlapping_types, meet_types
+from mypy.meet import is_overlapping_types, meet_types
 from mypy.message_registry import ErrorMessage
 from mypy.messages import (
     SUGGESTED_TEST_FIXTURES,