readding a deleted line space

src/martian/README.txt

@@ -127,6 +127,7 @@ looking at a module definition in a ``.py`` file. Now that we have
 defined a module ``templating``, we also need to be able to import
 it. Fake modules are always placed automatically into the
 ``martiantest.fake`` namespace so you can import them from there::
+
   >>> from martiantest.fake import templating
 
 Now let's try the ``render`` function for the registered template