import asyncio
import aioredux

 @asyncio.coroutine
 def go():
     initial_state = {
         'todos': (),
     }

     def add_todo(text):
         return {'type': 'ADD_TODO', 'text': text}

     def reducer(state, action):
         if action['type'] == 'ADD_TODO':
             todos = state['todos'] + (action['text'],)
             return {'todos': todos}
         return state

     store = yield from aioredux.create_store(reducer, initial_state)
     yield from store.dispatch(add_todo('todo text'))
     print(store.state['todos'])

 asyncio.get_event_loop().run_until_complete(go())