code sample for pandas-dev#46268

Author: simonjayhawkins

bisect/46268.py

@@ -0,0 +1,24 @@
+# BUG: Unexpected jupyter notebook behavior when assigning an array.array variable #46268
+
+from array import array
+
+import numpy as np
+
+import pandas as pd
+
+print(pd.__version__)
+
+
+df = pd.DataFrame({"A": [2, 4, 6, 8]})
+
+cenlon = array("d")
+cenlon.append(45.345343)
+
+# Problem
+df.loc[0, "CenLon"] = cenlon
+print(df)
+
+expected = pd.DataFrame(
+    {"A": [2, 4, 6, 8], "CenLon": [45.345343, np.nan, np.nan, np.nan]}
+)
+pd.testing.assert_frame_equal(df, expected)