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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 wipe(self):
 """ Wipe the bolt database. Calling this after HoverPy has been instantiated is potentially dangerous. This function is mostly used internally for unit tests. """

        try:
            if os.isfile(self._dbpath):
                os.remove(self._dbpath)
        except OSError:
            pass