Fix raising a bare str as an exception in configure.py #45117
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…ted since Python 2.5
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@bors: r+ rollup Thanks! |
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…chton Fix raising a bare str as an exception in configure.py Raising a bare `str` has been [deprecated since Python 2.5](https://docs.python.org/2/whatsnew/2.5.html#pep-352-exceptions-as-new-style-classes). On Python 2.7 it produces the following error: ``` TypeError: exceptions must be old-style classes or derived from BaseException, not str ``` For maximum compatibility with Python 2.7 and 3.x, we wrap the error message in `RuntimeError` which derives from `Exception`.
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Raising a bare
strhas been deprecated since Python 2.5.On Python 2.7 it produces the following error:
For maximum compatibility with Python 2.7 and 3.x, we wrap the error message in
RuntimeErrorwhich derives fromException.