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""" 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)
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