pavlov99/json-rpc — pull request #21 by proofit404 (2014-05-14 05:50:07+00:00)
Title: Don't destroy callable with dispatcher decorator.

There was a little problem with dispatcher
```python
In [1]: from jsonrpc import dispatcher

In [2]: @dispatcher.add_method
...: def a(*args):
...: return sum(args)
...:

In [3]: print(a)
None
```