code: def test_deps_conversion():
      doc = CoNLL.conll2doc(input_str=ESTONIAN_DEPS)
      assert len(doc.sentences) == 1
      sentence = doc.sentences[0]
      assert len(sentence.tokens) == 10
      assert sentence.has_enhanced_dependencies()
  
      word = doc.sentences[0].words[3]
      assert word.deps == "3:obj|9:nsubj"
  
      conll = "{:C}".format(doc)
      assert conll == ESTONIAN_DEPS
  
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 14 for calling a global function with example usage: test_deps_conversion() without return types