diff --git a/doc/sphinx/source/conf.py b/doc/sphinx/source/conf.py
index 95d23018..83f7a902 100644
--- a/doc/sphinx/source/conf.py
+++ b/doc/sphinx/source/conf.py
@@ -200,8 +200,6 @@
 
 
 # -- Extension configuration -------------------------------------------------
-from unittest import *
-from mock import MagicMock
 
 autodoc_mock_imports = ['Sofa',
                         'stlib3','splib3',
@@ -224,6 +222,8 @@
 #
 # MockingClass = type('MockingClass', (), {})
 #
+# from unittest import *
+# from mock import MagicMock
 # class Mock(MagicMock):
 #     @classmethod
 #     def __getattr__(cls, name):
diff --git a/doc/sphinx/source/requirements.txt b/doc/sphinx/source/requirements.txt
index 2530f568..a5dbcdfc 100644
--- a/doc/sphinx/source/requirements.txt
+++ b/doc/sphinx/source/requirements.txt
@@ -1,4 +1,5 @@
 sphinx
+mock
 sphinx-rtd-theme
 pydata-sphinx-theme
 sphinx-autodoc-typehints