class_docstr: This class stores additional information on backbones.
      
docstr: Checks whether the backbone string is correct.
          
docstr_tok: ["Checks","whether","the","backbone","string","is","correct","."]
code: def validate(self):
      """Checks whether the backbone string is correct."""
      raise NotImplementedError("validate method not implemented.")
  
file_path: ImageAI/imageai_tf_deprecated/Detection/keras_retinanet/models/__init__.py
imports: from __future__ import print_function
  import sys
label_desc: Use image node_id 4 for calling the Backbone obj's underlying member method code with example usage: obj.validate() without return types