(self)
Get positions of monitors (has to be run using a threading lock).
        It must populate self._monitors.
Get positions of monitors (has to be run using a threading lock).
        It must populate self._monitors.
Get positions of monitors ( has to be run using a threading lock ) . It must populate self . _monitors .
def _monitors_impl(self):
        # type: () -> None
        """
        Get positions of monitors (has to be run using a threading lock).
        It must populate self._monitors.
        """
def _monitors_impl ( self ) : # type: () -> None