[issue31014] webbrowser._synthesize uses outdated calling signature for webbrowser.register

Wed May 30 08:15:57 EDT 2018

STINNER Victor <vstinner at redhat.com> added the comment:

I'm surprised that test_webbrowser pass on my Fedora 28, but it fails for Greg Walters:
https://bugs.python.org/issue33693#msg318163

Some tests are skipped depending on the OS? Maybe we should mock more things, or something else, to get a better code coverage.

I ran PR 2689 new test without the fix on webbrowser.py: the test doesn't fail. So this PR is not enough to detect bpo-33693.

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