code sample for pandas-dev#45725

Author: simonjayhawkins

bisect/45725.py

@@ -0,0 +1,19 @@
+# BUG: RecursionError when attempting to replace np.nan values under main branch #45725
+
+
+import numpy as np
+
+import pandas as pd
+
+print(pd.__version__)
+
+NaN_values = [np.nan, np.nan]
+ser = pd.Series(data=NaN_values)
+df = pd.DataFrame(data=NaN_values)
+
+
+ser = ser.replace({np.nan: pd.NA})
+print(ser)
+
+df = df.replace({np.nan: None})
+print(df)