Move mock code to beginning of conf.py

Author: manisandro

doc/conf.py

@@ -16,6 +16,28 @@
 import sys
 import os
 
+# -- Mock module for _sane
+try:
+    try:
+        # Python >= 3.3
+        from unittest.mock import MagicMock
+    except:
+        try:
+            # Python < 3.3
+            from mock import Mock as MagicMock
+        except:
+            raise ImportError
+
+    class Mock(MagicMock):
+        @classmethod
+        def __getattr__(cls, name):
+            return Mock()
+
+    sys.modules.update([('_sane', Mock())])
+except:
+    pass
+
+
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
@@ -262,24 +284,3 @@
 
 # If true, do not generate a @detailmenu in the "Top" node's menu.
 #texinfo_no_detailmenu = False
-
-# -- Mock modules for readthedocs
-try:
-    try:
-        # Python >= 3.3
-        from unittest.mock import MagicMock
-    except:
-        try:
-            # Python < 3.3
-            from mock import Mock as MagicMock
-        except:
-            raise ImportError
-
-    class Mock(MagicMock):
-        @classmethod
-        def __getattr__(cls, name):
-            return Mock()
-
-    sys.modules.update([('_sane', Mock())])
-except:
-    pass