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code sample for pandas-dev#46769 
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‎bisect/46769.py

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# BUG: Pandas Index fails with bitwise unfuncs #46769
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import numpy as np
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import pandas as pd
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print(pd.__version__)
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pandas_idx = [
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pd.Int64Index(
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[
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],
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dtype="int64",
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),
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pd.Int64Index(
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[
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],
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dtype="int64",
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),
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]
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result = np.bitwise_and(*pandas_idx)
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print(result)
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expected = pd.Int64Index(
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[
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],
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dtype="int64",
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)
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pd.testing.assert_index_equal(result, expected)

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