[issue10049] Add a "no-op" (null) context manager to contextlib

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:


New changeset 0784a2e5b174d2dbf7b144d480559e650c5cf64c by Nick Coghlan (Jesse-Bakker) in branch 'master':
bpo-10049: Add a "no-op" (null) context manager to contextlib (GH-4464)
https://github.com/python/cpython/commit/0784a2e5b174d2dbf7b144d480559e650c5cf64c


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