code: def get_by_name(opname, operators):
      """Return operator class instance by name.
  
      Parameters
      ----------
      opname: str
          Name of the sklearn class that belongs to a TPOT operator
      operators: list
          List of operator classes from operator library
  
      Returns
      -------
      ret_op_class: class
          An operator class
  
      """
      ret_op_classes = [op for op in operators if op.__name__ == opname]
  
      if len(ret_op_classes) == 0:
          raise TypeError(
              "Cannot found operator {} in operator dictionary".format(
                  opname
              )
          )
      elif len(ret_op_classes) > 1:
          raise ValueError(
              "Found duplicate operators {} in operator dictionary. Please check "
              "your dictionary file.".format(opname)
          )
      ret_op_class = ret_op_classes[0]
      return ret_op_class
  
file_path: tpot/tpot/export_utils.py
imports: import deap
label_desc: Use image node_id 1 for calling a global function with example usage: get_by_name(opname, operators) and returns: ret_op_class