msgpack/msgpack-python — pull request #8 by steeve (2012-06-16 10:57:42+00:00)
Title: Make sure objects inherited from Dict are properly casted

Cython will complain and crash if not:
```
File "_msgpack.pyx", line 173, in msgpack._msgpack.packb (msgpack/_msgpack.c:2400)
File "_msgpack.pyx", line 153, in msgpack._msgpack.Packer.pack (msgpack/_msgpack.c:2089)
File "_msgpack.pyx", line 155, in msgpack._msgpack.Packer.pack (msgpack/_msgpack.c:1997)
File "_msgpack.pyx", line 138, in msgpack._msgpack.Packer._pack (msgpack/_msgpack.c:1710)
File "_msgpack.pyx", line 144, in msgpack._msgpack.Packer._pack (msgpack/_msgpack.c:1817)
File "_msgpack.pyx", line 132, in msgpack._msgpack.Packer._pack (msgpack/_msgpack.c:1624)
TypeError: {'exc_message': 'Expected dict, got MyDict', 'exc_type': 'TypeError'}
```