from pandas import (
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Index,
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Series,
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)
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import pandas._testing as tm
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def test_astype_str_from_bytes():
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# https://github.com/pandas-dev/pandas/issues/38607
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# GH#49658 pre-2.0 Index called .values.astype(str) here, which effectively
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# did a .decode() on the bytes object. In 2.0 we go through
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# ensure_string_array which does f"{val}"
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idx = Index(["あ", b"a"], dtype="object")
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result = idx.astype(str)
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expected = Index(["あ", "a"], dtype="str")
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tm.assert_index_equal(result, expected)
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# while we're here, check that Series.astype behaves the same
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result = Series(idx).astype(str)
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expected = Series(expected, dtype="str")
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tm.assert_series_equal(result, expected)
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