diff --git a/README.rst b/README.rst
index 77d62adbca6fe87ae74a67cdeb5b933cdd0b9571..82435bfe9acfdce9a1f057b915d1ba761e323980 100644
--- a/README.rst
+++ b/README.rst
@@ -1,9 +1,11 @@
 .. image:: https://img.shields.io/badge/License-GPL%20v3-blue.svg)](http://www.gnu.org/licenses/gpl-3.0
     :alt: License: GPL v3
 
-.. image:: https://gitlab.lis-lab.fr/baptiste.bauvin/summit/badges/master/pipeline.svg
+.. |pipeline| image:: https://gitlab.lis-lab.fr/baptiste.bauvin/summit/badges/master/pipeline.svg
     :alt: Pipeline status
 
+|pipeline|
+
 .. image:: https://gitlab.lis-lab.fr/baptiste.bauvin/summit/badges/master/coverage.svg
     :target: http://baptiste.bauvin.pages.lis-lab.fr/summit/coverage/index.html
     :alt: Coverage
@@ -20,9 +22,24 @@ Getting Started
 Prerequisites (will be automatically installed)
 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
 
+SuMMIT has been designed and uses continuous integration for Linux platforms (ubuntu 18.04), but we try to keep it as compatible as possible with Mac and Windows.
+
+Last tests on each platform :
+
++----------+-------------------+
+| Platform | Last positive test|
++==========+===================+
+|   Linux  |  |pipeline|       |
++----------+-------------------+
+| Mac      | 1st of May, 2020  |
++----------+-------------------+
+| Windows  | 1st of May, 2020  |
++----------+-------------------+
+
+
 To be able to use this project, you'll need :
 
-* `Python 3.6 <https://docs.python.org/3/>`_
+* `Python 3 <https://docs.python.org/3/>`_
 
 And the following python modules :
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index f74697da9f4763e44ebcd5711c233945af45e1b3..2875ddb1eb61cf4673effe8a312191fba11c3419 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -54,8 +54,8 @@ extensions = ['sphinx.ext.autodoc',
 #              'sphinx.ext.ifconfig',
 #              'sphinx.ext.viewcode',
 #              'sphinx.ext.githubpages',
-               'sphinx.ext.napoleon',
-               'recommonmark']
+               'sphinx.ext.napoleon',]
+
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
diff --git a/summit/tests/test_utils/test_transormations.py b/summit/tests/test_utils/test_transormations.py
new file mode 100644
index 0000000000000000000000000000000000000000..6788c15ce021657676c48d696a8582953d1a7dd0
--- /dev/null
+++ b/summit/tests/test_utils/test_transormations.py
@@ -0,0 +1,20 @@
+import unittest
+import numpy as np
+
+
+from summit.multiview_platform.utils import transformations
+
+
+class TestFunctions(unittest.TestCase):
+
+    def test_simple_sign(self):
+        trans = transformations.sign_labels(np.zeros(10))
+        np.testing.assert_array_equal(np.ones(10) * -1, trans)
+        trans = transformations.sign_labels(np.ones(10))
+        np.testing.assert_array_equal(np.ones(10), trans)
+
+    def test_simple_unsign(self):
+        trans = transformations.unsign_labels(np.ones(10) * -1)
+        np.testing.assert_array_equal(np.zeros(10), trans)
+        trans = transformations.unsign_labels(np.ones(10).reshape((10, 1)))
+        np.testing.assert_array_equal(np.ones(10), trans)