fixing docs conf

Author: huseinzol05

docs/conf.py

@@ -17,7 +17,10 @@
 
 sys.path.insert(0, os.path.abspath('..'))
 
-from unittest.mock import MagicMock
+if sys.version_info >= (3, 3):
+    from unittest.mock import MagicMock
+else:
+    from mock import MagicMock
 
 
 class Mock(MagicMock):