class_docstr: Neural Network related operators that involve machine learning frameworks.
  
  Args:
      framework (`str`):
          The framework to apply.
class_docstr_tok: ["Neural","Network","related","operators","that","involve","machine","learning","frameworks",".","Args",":","framework","(","`","str","`",")",":","The","framework","to","apply","."]
code: def __init__(self, framework: str = "pytorch"):
      super().__init__()
      self._framework = framework
      self.operator_name = type(self).__name__
      self.model = None
      self.model_card = None
      self._trainer = None
  
imports: from abc import abstractmethod, ABC
  from enum import Enum
  from enum import Flag, auto
label_desc: Use image node_id 1 to create a new NNOperator object from inherited base classes: Operator with example: obj = NNOperator(framework)