parameters: (class_name, _proxy)
return_statement: return _class_instance_from_name(class_name, _proxy=_proxy)
docstring: Look for the class in .extensions in case it has already been
      imported (perhaps as a builtin extensions hard compiled into unity_server).
docstring_summary: Look for the class in .extensions in case it has already been
      imported (perhaps as a builtin extensions hard compiled into unity_server).
docstring_tokens: Look for the class in . extensions in case it has already been imported ( perhaps as a builtin extensions hard compiled into unity_server ) .
function: def _create_class_instance(class_name, _proxy):
      """
      Look for the class in .extensions in case it has already been
      imported (perhaps as a builtin extensions hard compiled into unity_server).
      """
      try:
          return _class_instance_from_name(
              "turicreate.extensions." + class_name, _proxy=_proxy
          )
      except:
          pass
      return _class_instance_from_name(class_name, _proxy=_proxy)
function_tokens: def _create_class_instance ( class_name , _proxy ) : try : return _class_instance_from_name ( "turicreate.extensions." + class_name , _proxy = _proxy ) except : pass return _class_instance_from_name ( class_name , _proxy = _proxy )