Updated script that can be controled by Nodejs web app

lib/python3.13/site-packages/pandas/tests/series/methods/test_isna.py

@@ -0,0 +1,35 @@
+"""
+We also test Series.notna in this file.
+"""
+import numpy as np
+
+from pandas import (
+    Period,
+    Series,
+)
+import pandas._testing as tm
+
+
+class TestIsna:
+    def test_isna_period_dtype(self):
+        # GH#13737
+        ser = Series([Period("2011-01", freq="M"), Period("NaT", freq="M")])
+
+        expected = Series([False, True])
+
+        result = ser.isna()
+        tm.assert_series_equal(result, expected)
+
+        result = ser.notna()
+        tm.assert_series_equal(result, ~expected)
+
+    def test_isna(self):
+        ser = Series([0, 5.4, 3, np.nan, -0.001])
+        expected = Series([False, False, False, True, False])
+        tm.assert_series_equal(ser.isna(), expected)
+        tm.assert_series_equal(ser.notna(), ~expected)
+
+        ser = Series(["hi", "", np.nan])
+        expected = Series([False, False, True])
+        tm.assert_series_equal(ser.isna(), expected)
+        tm.assert_series_equal(ser.notna(), ~expected)