[issue29988] with statements are not ensuring that __exit__ is called if __enter__ succeeds

[Nir Soffer]

Nir Soffer <nirsof at gmail.com> added the comment:

Does https://github.com/python/cpython/pull/1799 solve this issue
for synchronous with?

    with closing(this), closing(that):

If it does, can we backport this fix to python 3.6?

3.6 is used as system python for RHEL/Centos 8, will be used for at
least 5 years or so.

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nosy: +nirs

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