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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 _getbug(self, objid, **kwargs):
 """ Thin wrapper around _getbugs to handle the slight argument tweaks for fetching a single bug. The main bit is permissive=False, which will tell bugzilla to raise an explicit error if we can't fetch that bug. This logic is called from Bug() too """

        return self._getbugs([objid], permissive=False, **kwargs)[0]