docs: def copy(self, invert=False):
          """Return a copy of the current instance
  
          Parameters
          ----------
          invert: bool
              The copy will be inverted w.r.t. the original
          """
          if invert:
              inverted = not self.inverted
          else:
              inverted = self.inverted
  
          return PolygonFilter(axes=self.axes,
                               points=self.points,
                               name=self.name,
                               inverted=inverted)