uploader: saving master format to bibfmt table
uploader: saving master format to bibfmt table

* Improves code compatibility with PEP8.

Acked-by: Jiri Kuncar <2bdffcb416fed3002465740d19a053a39918cbe5@cern.ch>

inveniosoftware/invenio-formatter,inveniosoftware/invenio-formatter,inveniosoftware/invenio-formatter,tiborsimko/invenio-formatter,tiborsimko/invenio-formatter,tiborsimko/invenio-formatter