code: def transform(self, frame=None):
      for pipeline_func, args in self.pipeline:
          if args[0] != "":
              frame = pipeline_func(frame, *args)
          else:
              frame = pipeline_func(frame)
  
      return frame
  
imports: from serpent.frame_transformer import FrameTransformer
label_desc: Use image node_id 3 for calling the FrameTransformationPipeline obj's underlying member method code with example usage: obj.transform(frame) and returns: frame