code: def assign_id(self):
      global global_counter
      self.instance_id = ".".join(
          [type(self).__name__, str(global_counter)]
      )
      global_counter = global_counter + 1
  
imports: from typing import Dict, Optional, Tuple
  from pytext.config.module_config import ModuleConfig
  from pytext.models.module import Module
  from pytext.utils.usage import log_class_usage
  from torch import nn, Tensor
  from .utils import prepare_full_key
label_desc: Use image node_id 2 for calling the PyTextSeq2SeqModule obj's underlying member method code with example usage: obj.assign_id() without return types