add Python usage example

hjacobs · hjacobs · commit 8cf23737d298 · 2014-09-15T14:25:33.000+02:00
diff --git a/README.rst b/README.rst
@@ -23,7 +23,7 @@ Example command line usage::
 
 Example usage from Python:
 
-.. code::python
+.. code:: python
 
     import subprocess
     from nsenter import Namespace
