def _min(self):
        """Getter for the minimum series value"""
        return (
            self.range[0] if (self.range and self.range[0] is not None) else
            (min(self._values) if self._values else None)
        )
def _min ( self ) : return ( self . range [ 0 ] if ( self . range and self . range [ 0 ] is not None ) else ( min ( self . _values ) if self . _values else None ) )
Getter for the minimum series value