[issue8155] Incompatible change to test.test_support.check_warnings behaviour

[Florent Xicluna]

Florent Xicluna <florent.xicluna at gmail.com> added the comment:

I hesitate to do it differently:

with check_warnings(('', RuntimeWarning)):
 ==> translate to check_warnings(('', RuntimeWarning), quiet=False)

with check_warnings():
 ==> translate to check_warnings(quiet=True)

If the developer passes some arguments to the function, it means that he expects some warnings, and he should not need to add "quiet=False" each time.
And it preserves backward compatibility for existing code.

I guess that we push same behavior for 3.x.

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<http://bugs.python.org/issue8155>
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