code: def __init__(self, **kargs):
      rw_alpha_estimator = pymatting.estimate_alpha_rw
      super().__init__(rw_alpha_estimator, **kargs)
  
imports: import pymatting
  from paddleseg.cvlibs import manager
label_desc: Use image node_id 1 to create a new RandomWalksMatting object from inherited base classes: BaseMLMatting with example: obj = RandomWalksMatting()