class_docstr: Trainer for label-cotuning
  calculate the relationship between base_classes and novel_classes
class_docstr_tok: ["Trainer","for","label-cotuning","calculate","the","relationship","between","base_classes","and","novel_classes"]
code: def __init__(self, cfg, mode="train"):
      super(TrainerCot, self).__init__(cfg, mode)
      self.cotuning_init()
  
imports: from ppdet.core.workspace import create
  from ppdet.utils.logger import setup_logger
  from .None import Trainer
label_desc: Use image node_id 1 to create a new TrainerCot object from inherited base classes: Trainer with example: obj = TrainerCot(cfg, mode)