code: def test_conll_to_dict():
      dicts, empty = CoNLL.convert_conll(CONLL)
      assert dicts == DICT
      assert len(dicts) == len(empty)
      assert all(len(x) == 0 for x in empty)
  
imports: import io
  import pytest
  import tempfile
  from zipfile import ZipFile
  import stanza
  from stanza.utils.conll import CoNLL
  from stanza.models.common.doc import Document
  from stanza.tests import *
label_desc: Use image node_id 1 for calling a global function with example usage: test_conll_to_dict() without return types