Reject bool/float/nan in maxcolwidths - #456
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bool is an int subclass, so maxcolwidths=True previously wrapped every
character. float('nan') bypassed the width<=0 guard (NaN comparisons are
false) and hung forever inside textwrap. Require positive ints or None.
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Summary
maxcolwidths=Truepreviously wrapped every character becauseboolis anintsubclass.maxcolwidths=[float('nan')]bypassed thewidth <= 0guard (NaN comparisons are false) and hung forever insidetextwrap.Require positive
intwidths (orNonefor unbound). Rejectbool, floats, and non-finite values with a clearTypeError/ValueError.Test plan
pytest test/test_regression.py::test_maxcolwidths_rejects_bool_float_nanmaxcolwidths=5still wraps as before