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-rw-r--r--lib/sqlalchemy/util/langhelpers.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/util/langhelpers.py b/lib/sqlalchemy/util/langhelpers.py
index 9b3692d59..49c5d693a 100644
--- a/lib/sqlalchemy/util/langhelpers.py
+++ b/lib/sqlalchemy/util/langhelpers.py
@@ -238,6 +238,8 @@ def map_bits(fn: Callable[[int], Any], n: int) -> Iterator[Any]:
_Fn = TypeVar("_Fn", bound="Callable[..., Any]")
+# this seems to be in flux in recent mypy versions
+
def decorator(target: Callable[..., Any]) -> Callable[[_Fn], _Fn]:
"""A signature-matching decorator factory."""