code: def __init__(self, eps=1e-6):
      super().__init__()
      self.eps = eps
  
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddleseg.cvlibs import manager
  import cv2
label_desc: Use image node_id 1 to create a new MRSD object from inherited base classes: nn with example: obj = MRSD(eps)