code: def log(self):
      if len(self._names):
          logger.warn(
              "The following variables are in the {}, but not found in the {}: {}".format(
                  self._exists, self._nonexists, ", ".join(self._names)
              )
          )
  
imports: import os
  import numpy
  import six
  from ..compat import tfv1
  from ..utils import logger
  from .common import get_op_tensor_name
  from .varmanip import SessionUpdate, get_checkpoint_path, get_savename_from_varname, is_training_name
label_desc: Use image node_id 3 for calling the MismatchLogger obj's underlying member method code with example usage: obj.log() without return types