The python-progressbar seems to be unmaintained (latest release 2011 ).
Would it be possible to update to python-progressbar2 ? It seems to be the most active one, but there are many forks on github these days, see 
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Thomas! I got in touch with the original upstream maintainer and he didn't realize his repo was so hard to find after it moved off of google code. It lives here now: https://github.com/niltonvolpato/python-progressbar/
He's going to put out a new release to pypi soon with the upstream url updated .. and it has python3 support now. :)
The  repo is updated more frequently while there is no release tag on  one. What should we do now? Do we need to change the GitHub repo anymore?
I commented on an issue upstream asking for a fresh release to pypi: https://github.com/niltonvolpato/python-progressbar/issues/41
FYI Source0 was fixed in bug 1416902 using 2.3 re-release on pypi
progressbar2 seems to be a while different thing now. I don't know if these clash, but one of the packages I'm trying to add to Fedora require it. So, I've submitted a review for it here: https://bugzilla.redhat.com/show_bug.cgi?id=1648728
Let's replace python3-progressbar with python3-progressbar2. The latter seems much better maintained, and its author wants to keep compatibility with the original: https://github.com/WoLpH/python-progressbar/issues/177#issuecomment-438706012
On Rawhide, python-progressbar now only builds for Python 2. The "python3-progressbar" is provided by python-progressbar2.
The python-progressbar package should eventually be retired as part of the Python 2 removal.