raise CommandError exception with string "The %s file has a BOM (Byte Order Mark). Django only supports .po files encoded in UTF-8 and without any BOM.", with '%s' replaced with po_path, as argument.
raise CommandError ( "The %s file has a BOM (Byte Order Mark). " "Django only supports .po files encoded in " "UTF-8 and without any BOM." % po_path )