class_docstr: A Compressor with Error Feedback.
class_docstr_tok: ["A","Compressor","with","Error","Feedback","."]
code: def __init__(self, var_op_name):
      self.error = None
      super().__init__(var_op_name)
  
imports: from abc import ABC, abstractmethod
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework.ops import Tensor
  from tensorflow.python.ops import collective_ops, math_ops
label_desc: Use image node_id 1 to create a new CompressorEF object from inherited base classes: Compressor, ABC with example: obj = CompressorEF(var_op_name)