code: def test_lemma_attribute():
      response = semgrex.process_doc(
          ONE_SENTENCE_DOC,
          "{lemma:Mox}=source <=zzz {lemma:Opal}=target",
      )
      check_response(
          response, response_len=1, source_index=2, reln="compound"
      )
  
file_path: stanza/stanza/tests/server/test_semgrex.py
imports: import pytest
  import stanza
  import stanza.server.semgrex
  from stanza.protobuf import SemgrexRequest
  from stanza.models.common.doc import Document
  from stanza.tests import *
label_desc: Use image node_id 7 for calling a global function with example usage: test_lemma_attribute() without return types