Fix IndexError by lang specific rpm version output (#223)
Fix IndexError by lang specific rpm version output (#223)

My CentOS7 with de_DE.UTF8 runs into IndexError (via pip3 install), because output of rpm --version is then 'RPM-Version 4.11.3' instead of 'RPM version 4.11.3'.
Correctly reset locales by setting LC_ALL to C therefore overriding all locale categories and unsetting the GNU-specific LANGUAGE env var. Co-developed with a Unix-expert.
junaruga/rpm-py-installer,junaruga/rpm-py-installer