When I left the bot running for awhile this error (see below) eventually occurred. I feel as if this is most likely due to the session timing out or some other such nonsense.
It crashed the bot, so this should definitely be taken care of. A possible solution may be to simply have a script that constantly restarts the bot when it goes down.
Traceback (most recent call last):
File "reddit-flair-fairy.py", line 153, in <module>
i.set_flair(map_name(language.lower()))
File "/usr/lib/python2.6/site-packages/reddit-1.3.8-py2.6.egg/reddit/objects.py", line 613, in set_flair
return self.subreddit.set_flair(self, *args, **kwargs)
File "/usr/lib/python2.6/site-packages/reddit-1.3.8-py2.6.egg/reddit/objects.py", line 719, in set_flair
return self.reddit_session.set_flair(self, *args, **kwargs)
File "/usr/lib/python2.6/site-packages/reddit-1.3.8-py2.6.egg/reddit/decorators.py", line 204, in login_required_function
return function(self, *args, **kwargs)
File "/usr/lib/python2.6/site-packages/reddit-1.3.8-py2.6.egg/reddit/decorators.py", line 215, in moderator_required_function
six.text_type(self.user))
reddit.errors.ModeratorRequired: u'FlairFairy' is not moderator