reload() takes the module itself.

Doc/tutorial/modules.rst

@@ -108,7 +108,7 @@ This imports all names except those beginning with an underscore (``_``).
    For efficiency reasons, each module is only imported once per interpreter
    session.  Therefore, if you change your modules, you must restart the
    interpreter -- or, if it's just one module you want to test interactively,
-   use :func:`reload`, e.g. ``reload('modulename')``.
+   use :func:`reload`, e.g. ``reload(modulename)``.
 
 
 .. _tut-modulesasscripts: