text: import { combineReducers } from 'redux';
  import sessionReducer from './session_reducer';
  import userReducer from './user_reducer';
  import voteReducer from './vote_reducer';
  import profileReducer from './profile_reducer';
  
  export default combineReducers({
      session: sessionReducer,
      users: userReducer,
      votes: voteReducer,
      profile: profileReducer
  });