From 4c5f51e49ed5bfa12e0c784457c46f8d0e1cb041 Mon Sep 17 00:00:00 2001
From: ines <ines@ines.io>
Date: Mon, 13 Mar 2017 15:16:11 +0100
Subject: [PATCH] Update regression test

---
 spacy/tests/regression/test_issue636.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 spacy/tests/regression/test_issue636.py

diff --git a/spacy/tests/regression/test_issue636.py b/spacy/tests/regression/test_issue636.py
new file mode 100644
index 000000000..61dd896f8
--- /dev/null
+++ b/spacy/tests/regression/test_issue636.py
@@ -0,0 +1,16 @@
+# coding: utf8
+from __future__ import unicode_literals
+
+from ...tokens.doc import Doc
+import pytest
+
+
+@pytest.mark.xfail
+@pytest.mark.models
+@pytest.mark.parametrize('text', ["I cant do this."])
+def test_issue636(EN, text):
+    """Test that to_bytes and from_bytes don't change the token lemma."""
+    doc1 = EN(text)
+    doc2 = Doc(EN.vocab)
+    doc2.from_bytes(doc1.to_bytes())
+    assert doc1[2].lemma_ == doc2[2].lemma_