Fix the versionadded indentation in exec_module doc (GH-8719)

miss-islington · andresdelfino · web-flow · commit 7e0153e166cf · 2018-08-12T00:01:21.000-07:00
(cherry picked from commit 65b5ef0) Co-authored-by: Andrés Delfino <adelfino@gmail.com>
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
@@ -770,7 +770,7 @@ ABC hierarchy::
 
        Concrete implementation of :meth:`Loader.exec_module`.
 
-      .. versionadded:: 3.4
+       .. versionadded:: 3.4
 
     .. method:: load_module(fullname)
 
