Import unicode_literals in user-fixes.py.sample
Import unicode_literals in user-fixes.py.sample

This indicates to use py3 compatible unicode literals

Bug:T164253
Change-Id: Iaf4380dec34c77928d30cc9de08aa35b6800b83f

hasteur/g13bot_tools_new,jayvdb/pywikibot-core,jayvdb/pywikibot-core,hasteur/g13bot_tools_new,magul/pywikibot-core,npdoty/pywikibot,wikimedia/pywikibot-core,magul/pywikibot-core,PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core,happy5214/pywikibot-core,hasteur/g13bot_tools_new,npdoty/pywikibot,happy5214/pywikibot-core