python-python-dateutil from home:buschmann23:MTA-STS project
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Add repository and install manually
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:buschmann23:MTA-STS/15.4/home:buschmann23:MTA-STS.repo zypper refresh zypper install python-python-dateutil