code: def test_process_from_file_proc(self):
      data_dict = {
          "weibo_NER": WeiboNERPipe,
          "peopledaily": PeopleDailyPipe,
          "MSRA_NER": MsraNERPipe,
      }
      for k, v in data_dict.items():
          pipe = v
          data_bundle = pipe(
              bigrams=True, trigrams=True, num_proc=2
          ).process_from_file(f"data_for_tests/io/{k}")
          print(data_bundle)
          data_bundle = pipe(
              encoding_type="bioes", num_proc=2
          ).process_from_file(f"data_for_tests/io/{k}")
          print(data_bundle)
  
file_path: fastNLP/tests/io/pipe/test_conll.py
imports: import pytest
  import os
  from fastNLP.io import MsraNERPipe, PeopleDailyPipe, WeiboNERPipe, Conll2003Pipe, Conll2003NERPipe, OntoNotesNERPipe
label_desc: Use image node_id 2 for calling the TestNERPipe obj's underlying member method code with example usage: obj.test_process_from_file_proc() without return types