def disconnect(self, conn):
        tid = self.threadID()
        if conn is not self.connections.get(tid):
            raise Exception("wrong connection for thread")
        if conn is not None:
            self._close(conn)
            del self.connections[tid]
Disconnect a database connection associated with this pool.
dataset/ETHPy150Open twisted/twisted/twisted/enterprise/adbapi.py/ConnectionPool.disconnect