[issue31285] a SystemError and an assertion failure in warnings.warn_explicit()

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

PyUnicode_Splitlines() cannot be used here in 2.7, because the source is likely a 8-bit string.

Actually I'm not sure this issue is worth to be fixed in 2.7. The fix would be different from 3.x and more complex.

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versions: +Python 3.6

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