STINNER Victor added the comment:
> New changeset 1bbedfb20932 by Victor Stinner in branch 'default':
> Issue #19421: fix a check in warnings.warn() to be able to use it during
> Python
> http://hg.python.org/cpython/rev/1bbedfb20932
Without this fix, the following script crashs with an assertion error
(Objects/typeobject.c:740: type_call: Assertion `!PyErr_Occurred()' failed.):
-------------
import warnings
warn = warnings.warn
class A:
def __del__(self):
warn("bla")
a=A()
-------------
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Python tracker <[email protected]>
<http://bugs.python.org/issue19421>
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