Set upload warnings which can be ignored

We always upload existing images, so do not complain about this.
For testing purposes, also duplicates are normal

euroexange/euroexange.py

@@ -333,7 +333,7 @@ class EuroExangeBot( pywikibot.bot.BaseBot ):
         filepath = os.path.join(self.wdir, job.image)
         keepFilename = True        #set to True to skip double-checking/editing destination filename
         verifyDescription = True      #set to False to skip double-checking/editing description => change to bot-mode
-        ignoreWarning=False       #set to True to skip warnings, Upload even if another file would be overwritten or another mistake would be risked
+        ignoreWarning = [ "exists", "duplicate", ]       #set to True to skip warnings, Upload even if another file would be overwritten or another mistake would be risked
         targetSite = pywikibot.Site()
 
         bot = pywikibot.specialbots.UploadRobot(