class_docstr: This is the pseudo operation used by I/O nodes.
  The benefit is that users no longer need to verify `Node.operation is not None`,
  especially in static type checking.
class_docstr_tok: ["This","is","the","pseudo","operation","used","by","I\/O","nodes",".","The","benefit","is","that","users","no","longer","need","to","verify","`","Node.operation","is","not","None","`",",","especially","in","static","type","checking","."]
code: def to_init_code(self, field: str) -> str:
      raise ValueError(
          f'Cannot generate code for pseudo operation "{self.type}"'
      )
  
imports: from typing import Any, Dict, List, Optional, cast
  from nni.common.framework import get_default_framework
label_desc: Use image node_id 2 for calling the _IOPseudoOperation obj's underlying member method code with example usage: obj.to_init_code(field) without return types