code: def serving_parse(self, texts):
      results = self.parse(texts)
      for i in range(len(results)):
          org_list = results[i]["head"]
          results[i]["head"] = [str(x) for x in org_list]
      return results
  
file_path: PaddleHub/modules/text/syntactic_analysis/DDParser/module.py
imports: import os
  import argparse
  import paddlehub
  from paddlehub.module.module import serving, moduleinfo, runnable
  from paddlenlp import Taskflow
label_desc: Use image node_id 2 for calling the ddparser obj's underlying member method code with example usage: obj.serving_parse(texts) and returns: results