diff --git a/TODO.rst b/TODO.rst
index bf06360..23f2bc5 100644
--- a/TODO.rst
+++ b/TODO.rst
@@ -1,3 +1,2 @@
 *   Unit test for Language plugin
-*   Unit test for Image size plugin
 *   Unit test for git dates plugin
diff --git a/dev-req.txt b/dev-req.txt
index 4356410..5333f7f 100644
--- a/dev-req.txt
+++ b/dev-req.txt
@@ -13,3 +13,4 @@ nose==1.0.0
 pep8==0.6.1
 pylint==0.22.0
 pysmell==0.7.3
+PIL
diff --git a/hyde/ext/plugins/images.py b/hyde/ext/plugins/images.py
index e47d5e7..fd7fe4d 100644
--- a/hyde/ext/plugins/images.py
+++ b/hyde/ext/plugins/images.py
@@ -1,6 +1,8 @@
 # -*- coding: utf-8 -*-
 """
 Contains classes to handle images related things
+
+# Requires PIL
 """
 
 from hyde.plugin import Plugin
diff --git a/hyde/tests/ext/test_images.py b/hyde/tests/ext/test_images.py
index 7586f6c..ee3b191 100644
--- a/hyde/tests/ext/test_images.py
+++ b/hyde/tests/ext/test_images.py
@@ -3,6 +3,8 @@
 Use nose
 `$ pip install nose`
 `$ nosetests`
+
+Requires PIL
 """
 from hyde.fs import File, Folder
 from hyde.generator import Generator
@@ -15,6 +17,9 @@ IMAGE_SOURCE = File(__file__).parent.child_folder('optipng')
 IMAGE_NAME = "hyde-lt-b.png"
 IMAGE_SIZE = (538, 132)
 
+# PIL requirement
+import Image
+
 class TestImageSizer(object):
 
     def setUp(self):
@@ -83,9 +88,7 @@ class TestImageSizer(object):
 
     def test_size_image_multiline(self):
         text = u"""
-     <img 
-src="/media/img/%s"
->
+     <img src="/media/img/%s">
 """ % IMAGE_NAME
         html = self._generic_test_image(text)
         assert ' width="%d"' % IMAGE_SIZE[0] in html