[issue36871] Misleading error from unittest.mock's assert_has_calls

[Samuel Freilich]

Samuel Freilich <sfreilich at google.com> added the comment:

Check out my PR, which solves a much smaller issue: It fixes a bug in the exception raising logic in assert_has_calls (and _awaits) which makes complicated problems like the one you mention much harder to debug.

Also it has tests!

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36871>
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