Fix inconsistent Python indent on landing page

Signed-off-by: Alex Kosh <sasha23969@gmail.com>

Author: cuamckuu

_includes/landing-page/code-examples/python.html

@@ -9,5 +9,5 @@
     return {
         "statusCode": 200,
         "body": "Hello from OpenFaaS!"
-}</code></pre>
+    }</code></pre>
 </div>