code: def copy(self):
      return SchemaTracker(
          self.output_schema.copy(), self.input_schema.copy()
      )
  
imports: from dataclasses import dataclass, field
  from functools import singledispatch
  from typing import Any, Dict, Type, Union
  import numpy
label_desc: Use image node_id 2 for calling the SchemaTracker obj's underlying member method code with example usage: obj.copy() and returns: SchemaTracker