openSUSE Tumbleweed  20190110-0

Looks like python packages were updated and mitm rpm does not map the python
conflicts with newer versions in the rpm dependencies.

    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'wsproto<0.12.0,>=0.11.0' distribution
was not found and is required by mitmproxy

pkg_resources.DistributionNotFound: The 'pyparsing<2.3,>=2.1.3' distribution
was not found and is required by mitmproxy

I installed those from Leap to move forward, but when I reached:

cryptography<2.4,>=2.1.4

I gave up and downloaded
https://snapshots.mitmproxy.org/4.0.4/mitmproxy-4.0.4-linux.tar.gz
which includes 3 binaries that just work out of the box.