python-mccabe from home:smarty12:Python project
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Add repository and install manually
For openSUSE Leap 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:Python/openSUSE_Leap_15.6/home:smarty12:Python.repo zypper refresh zypper install python-mccabe