The version for git on my system returns:
'git version 1.9.3 (Apple Git-50)'
check_git_version() in kallithea/lib/utils.py barfs on this, as it expects the X.X.X to be the final word in the sentence.
One simple remedy is to use a regexp such as
This bug prevents the setup of Kallithea to complete, on my OS X machine at least. I have Github Mac client installed, and I am running Yosemite.