Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/backend/reviews/rnr.py", line 121, in _on_reviews_helper_data
    self._reviews[app] = reviews
  File "/usr/share/software-center/softwarecenter/db/application.py", line 118, in __hash__
    return ("%s:%s" % (self.appname, self.pkgname)).__hash__()
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)