Removed entranous quote in """", fixing Emacs Python mode colouring.
Removed entranous quote in """", fixing Emacs Python mode colouring.

tiborsimko/invenio-search,tiborsimko/invenio-records,inveniosoftware/invenio-records,inveniosoftware/invenio-search,tiborsimko/invenio-records,inveniosoftware/invenio-records,inveniosoftware/invenio-search,tiborsimko/invenio-search