code: def close(self):
          
          LOGGER.debug('Connection %s closing', self.id)
          if self.busy:
              raise ConnectionBusyError(self)
          with self._lock:
              if not self.handle.closed:
                  try:
                      self.handle.close()
                  except psycopg2.InterfaceError as error:
                      LOGGER.error('Error closing socket: %s', error)
docs: Close the connection
  
          :raises: ConnectionBusyError