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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 query(self):
 """Runs an fstat for this file and repopulates the data"""


        self._p4dict = self._connection.run(['fstat', '-m', '1', self._p4dict['depotFile']])[0]
        self._head = HeadRevision(self._p4dict)

        self._filename = self.depotFile