add None to BaseInterfaceTests.test_contains

topper-123 · topper-123 · commit 5271d60a4ea4 · 2020-11-25T22:52:53.000Z
diff --git a/pandas/tests/extension/base/interface.py b/pandas/tests/extension/base/interface.py
@@ -36,7 +36,7 @@ def test_contains(self, data):
         assert scalar in data
 
         na_value = data.dtype.na_value
-        other_na_value_types = {np.nan, pd.NA, pd.NaT}.difference({na_value})
+        other_na_value_types = {None, np.nan, pd.NA, pd.NaT}.difference({na_value})
         if data.isna().any():
             assert na_value in data
             for na_value_type in other_na_value_types:
