code: def remove_out_of_image(self, fully=True, partly=False):
          
          lss_clean = [ls for ls in self.line_strings
                       if not ls.is_out_of_image(
                           self.shape, fully=fully, partly=partly)]
          return LineStringsOnImage(lss_clean, shape=self.shape)
docs: Remove all line strings that are fully/partially outside of the image.
  
          Parameters
          ----------
          fully : bool, optional
              Whether to remove line strings that are fully outside of the image.
  
          partly : bool, optional
              Whether to remove line strings that are partially outside of the
              image.
  
          Returns
          -------
          imgaug.augmentables.lines.LineStringsOnImage
              Reduced set of line strings, with those that were fully/partially
              outside of the image removed.