code: def test_roundtrip_small_alphabet(form, lemma):
      # Test with small alphabets to have more overlap.
      strings = StringStore()
      trees = EditTrees(strings)
      tree = trees.add(form, lemma)
      assert trees.apply(tree, form) == lemma
  
imports: import pickle
  import hypothesis.strategies
  import pytest
  from hypothesis import given
  from spacy import util
  from spacy.lang.en import English
  from spacy.language import Language
  from spacy.pipeline._edit_tree_internals.edit_trees import EditTrees
  from spacy.strings import StringStore
  from spacy.training import Example
  from spacy.util import make_tempdir
label_desc: Use image node_id 12 for calling a global function with example usage: test_roundtrip_small_alphabet(form, lemma) without return types