diff --git a/py-polars/polars/utils/udfs.py b/py-polars/polars/utils/udfs.py
index 77093aeeb7d1..cefbb930d16a 100644
--- a/py-polars/polars/utils/udfs.py
+++ b/py-polars/polars/utils/udfs.py
@@ -35,7 +35,7 @@ class StackValue(NamedTuple):
 
 _MIN_PY311 = sys.version_info >= (3, 11)
 try:
-    get_ipython  # type: ignore[name-defined]
+    get_ipython  # type: ignore[name-defined]  # noqa: B018
 except NameError:
     _IN_IPYTHON = False
 else: