class_docstr: This head returns the input without changing it. This can
  be attached to a model, if the output of the model is the
  desired result.
class_docstr_tok: ["This","head","returns","the","input","without","changing","it",".","This","can","be","attached","to","a","model",",","if","the","output","of","the","model","is","the","desired","result","."]
docstr: Instantiates a IdentityHead from a configuration.
  
  Args:
      config: A configuration for a IdentityHead.
          See :func:`__init__` for parameters expected in the config.
  
  Returns:
      A IdentityHead instance.
docstr_tok: ["Instantiates","a","IdentityHead","from","a","configuration",".","Args",":","config",":","A","configuration","for","a","IdentityHead",".","See",":","func",":","`","__init__","`","for","parameters","expected","in","the","config",".","Returns",":","A","IdentityHead","instance","."]
code: def from_config(cls, config: Dict[str, Any]) -> "IdentityHead":
      """Instantiates a IdentityHead from a configuration.
  
      Args:
          config: A configuration for a IdentityHead.
              See :func:`__init__` for parameters expected in the config.
  
      Returns:
          A IdentityHead instance.
      """
      return cls(config["unique_id"])
  
imports: from typing import Any, Dict
  from classy_vision.heads import ClassyHead, register_head
label_desc: Use image node_id 2 for calling the IdentityHead obj's underlying member method code with example usage: obj.from_config(cls, config) and returns: cls