class_docstr: "Regularization class.
code: def __call__(self):
      regularizer = (
          self.regularizer(self.wd)
          if self.regularizer is not None
          else None
      )
      return regularizer
  
imports: import tensorflow
label_desc: Use image node_id 2 for calling the Regularization obj's underlying member method code with example usage: obj.__call__() and returns: regularizer