[New-bugs-announce] [issue31297] Unpickleable ModuleImportError in unittest patch not backported to 2.7

[Rachel Tobin]

New submission from Rachel Tobin:

When running the unittest runner in parallel with an module import error present in your code, this exception is raised:

_pickle.PicklingError: Can't pickle <class 'unittest.loader.ModuleImportFailure'>: attribute lookup ModuleImportFailure on unittest.loader failed

unittest should be raising standard exceptions instead.

This was fixed in Python 3.4 with this patch: https://bugs.python.org/issue22903

Given that 2.7 is still supported, this patch should be backported.

----------
components: Library (Lib)
messages: 300969
nosy: Rachel Tobin
priority: normal
severity: normal
status: open
title: Unpickleable ModuleImportError in unittest patch not backported to 2.7
type: crash
versions: Python 2.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue31297>
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