Turn method importing.ImportDialog._unicodeWarning() into a function.
Turn method importing.ImportDialog._unicodeWarning() into a function.

abeyer/anki,eduOS/anki,jkitching/anki,weihautin/anki,weihautin/anki,sunclx/anki,jakesyl/ruby-card,florianjacob/anki,go38/anki,Stvad/anki,jakesyl/ruby-card,hssm/anki,LucasCabello/anki,ospalh/libanki3,socialpercon/anki-1,holycrepe/anki,Arthaey/anki,xuewenfei/anki,kenjhim/anki,subfusc/anki,hssm/anki