code: def test_issue1612(en_tokenizer):
      """Test that span.orth_ is identical to span.text"""
      doc = en_tokenizer("The black cat purrs.")
      span = doc[1:3]
      assert span.orth_ == span.text
  
imports: import numpy
  import pytest
  from numpy.testing import assert_array_equal
  from thinc.api import get_current_ops
  from spacy.attrs import LENGTH, ORTH
  from spacy.lang.en import English
  from spacy.tokens import Doc, Span, Token
  from spacy.util import filter_spans
  from spacy.vocab import Vocab
  from ..util import add_vecs_to_vocab
  from .test_underscore import clean_underscore
label_desc: Use image node_id 4 for calling a global function with example usage: test_issue1612(en_tokenizer) without return types