class_docstr: Just logs the eval metrics at the end of an epoch.
class_docstr_tok: ["Just","logs","the","eval","metrics","at","the","end","of","an","epoch","."]
code: def __call__(self, param):
      if not param.eval_metric:
          return
      name_value = param.eval_metric.get_name_value()
      for name, value in name_value:
          logging.info(
              "Epoch[%d] Validation-%s=%f", param.epoch, name, value
          )
  
file_path: mxnet/python/mxnet/callback.py
imports: import logging
  import math
  import time
  from .model import save_checkpoint
label_desc: Use image node_id 1 for calling the LogValidationMetricsCallback obj's underlying member method code with example usage: obj.__call__(param) without return types