code: def __init__(self, rearrange_expr: str, **kwargs) -> None:
      super().__init__()
      self.rearrange_expr = rearrange_expr
      self.kwargs = kwargs
  
imports: import einops
  import numpy
  import torch
  import torch.nn
label_desc: Use image node_id 1 to create a new EinOpsRearrange object from inherited base classes: nn with example: obj = EinOpsRearrange(rearrange_expr)