code: def test_newlines():
      """
      The same test should work if there are newlines
      """
      text = "(VB Unban)\n\n(NNP Opal)"
      trees = tree_reader.read_trees(text)
      assert len(trees) == 2
  
file_path: stanza/stanza/tests/constituency/test_tree_reader.py
imports: import pytest
  from stanza.models.constituency import tree_reader
  from stanza.models.constituency.tree_reader import MixedTreeError, UnclosedTreeError, UnlabeledTreeError
  from stanza.tests import *
label_desc: Use image node_id 2 for calling a global function with example usage: test_newlines() without return types