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