def _child_from_reference(self, reference):
        """Returns the child sensor from its reference.

        Parameters
        ----------
        reference : str
            Reference to sensor (typically its name).

        Returns
        -------
        child : :class:`katcp.Sensor` object
            A child sensor linked to one or more aggregate sensors.

        """
        for child in self._child_to_parents:
            if self._get_sensor_reference(child) == reference:
                return child
def _child_from_reference ( self , reference ) : for child in self . _child_to_parents : if self . _get_sensor_reference ( child ) == reference : return child
Returns the child sensor from its reference.

        Parameters
        ----------
        reference : str
            Reference to sensor (typically its name).

        Returns
        -------
        child : :class:`katcp.Sensor` object
            A child sensor linked to one or more aggregate sensors.