CLN: remove redundant type check in test_na_values_scalar #63122
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rhshadrach
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Nov 16, 2025
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rhshadrach
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pre-commit is failing. If you haven't set this up locally, it might be a good idea: https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit
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What does this PR changes?
This PR cleans up a redundant nested
isinstance(na_values, dict)check intest_na_values_scalerfor the"pyarrow"engine.The inner check was always true and the
elsebranch was unreachable.Behavior after this PR
parser.engine == "pyarrow"andna_valuesis a dict:ValueErroris still expected.parser.engine == "pyarrow"andna_valuesis invalid (non-string types):TypeErroris still expected.Issue reference
Closes #63119
Checklist
233 passed, 1 skipped, 18 xfailed)