fix a PEP8 warning that the line is too long
add pylint marker to avoid 'no-member' error in rpmkit.rpmutils._list_installed_rpms
fix a pytlint error 'undefined-variable' in rpmkit.yum_surrogate.list_updates_g
fix a few pylint errors (undefined-variable) in rpmkit.extras.minifyrpmlist
fix a couple of pylint and pep8 errors and warnings in rpmkit.extras.updateinfo such like trailing whitespace (pep8) and maybe-no-member (pylint)
fix a bug calling wrong named function in other module, in rpmkit.extras.report pointed by pylint
fix a pep8 error 'line too long' in rpmkit.extras.compsxml2json
fix a PEP8 error 'line too long' in rpmkit.extras.make_updateinfo_xml
fix a bug that raise RuntimeError w/ undefined variable
fix a bug of reference to undefined variable in rpmkit.extras.repodata