code: def test_token_morph_key(i_has):
      assert i_has[0].morph.key != 0
      assert i_has[1].morph.key != 0
      assert i_has[0].morph.key == i_has[0].morph.key
      assert i_has[0].morph.key != i_has[1].morph.key
  
file_path: spaCy/spacy/tests/doc/test_morphanalysis.py
imports: import pytest
label_desc: Use image node_id 3 for calling a global function with example usage: test_token_morph_key(i_has) without return types