reinstate test

Author: MarcoGorelli

tests/test_frame.py

@@ -295,6 +295,7 @@ def test_types_setitem() -> None:
     s = pd.Series(["col1", "col2"])
     a = np.array(["col1", "col2"])
     df["col1"] = [1, 2]
+    df[5] = [5, 6]
     df[h] = [5, 6]
     df[iter([h])] = [[5], [6]]
     df.loc[:, h] = [5, 6]