def placement(self, placement):
        """Setter for placement property.
        Parameters
        ----------
        placement: str
            Defines the placement of the spinner
        """
        if placement not in self.SPINNER_PLACEMENTS:
            raise ValueError(
                "Unknown spinner placement '{0}', available are {1}".format(
                    placement, self.SPINNER_PLACEMENTS
                )
            )
        self._placement = placement
Setter for placement property.
        Parameters
        ----------
        placement: str
            Defines the placement of the spinner
        
halo/halo.py