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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def update(self):
 """ Update this object with the latest changes from Bugzilla 'NEW' #Changes happen on Bugzilla 'FIXED' """

        if 'id' in self._bug:
            result = self._bugsy.request('bug/%s' % self._bug['id'])
            self._bug = dict(**result['bugs'][0])
        else:
            raise BugException("Unable to update bug that isn't in Bugzilla")