class_docstr: See: https://github.com/neptune-ai/neptune-client
  YOUR_API_TOKEN and USERNAME/PROJECT_NAME
docstr: Send metrics collected in last step to neptune server
docstr_tok: ["Send","metrics","collected","in","last","step","to","neptune","server"]
code: def send(self, logger: MainLogger):
      """Send metrics collected in last step to neptune server"""
      for name, log_items in logger.log_history.items():
          last_log_item = log_items[-1]
          self.neptune.send_metric(
              name, x=last_log_item.step, y=last_log_item.value
          )
  
file_path: livelossplot/livelossplot/outputs/neptune_logger.py
imports: from typing import Optional
  from livelossplot.main_logger import MainLogger
  from livelossplot.outputs.base_output import BaseOutput
label_desc: Use image node_id 3 for calling the NeptuneLogger obj's underlying member method code with example usage: obj.send(logger) without return types