From e120561294cb5a339fc40c91219a3d1aaa26ec9a Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Sun, 23 Oct 2016 19:56:16 +0200
Subject: [PATCH] Fix vector_norm test.

---
 spacy/tests/tokens/test_token_api.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/spacy/tests/tokens/test_token_api.py b/spacy/tests/tokens/test_token_api.py
index 832350938..acd6332b5 100644
--- a/spacy/tests/tokens/test_token_api.py
+++ b/spacy/tests/tokens/test_token_api.py
@@ -5,6 +5,7 @@ from spacy.attrs import IS_SPACE, IS_TITLE, IS_UPPER, LIKE_URL, LIKE_NUM
 from spacy.attrs import IS_STOP
 
 import pytest
+import numpy
 
 
 @pytest.mark.models
@@ -67,7 +68,9 @@ def test_vectors(EN):
     assert apples.similarity(oranges) > apples.similarity(oov)
     assert apples.similarity(oranges) == oranges.similarity(apples)
     assert sum(apples.vector) != sum(oranges.vector)
-    assert apples.vector_norm != oranges.vector_norm
+    assert numpy.isclose(
+                apples.vector_norm,
+                numpy.sqrt(numpy.dot(apples.vector, apples.vector)))
     
 @pytest.mark.models
 def test_ancestors(EN):