Estamos vendo esse warning quando rodamos o asyncworker:

 DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3,and in 3.9 it will stop working
    from collections import KeysView, ValuesView

Esses imports estão no asyncworker/connections.py
https://github.com/B2W-BIT/async-worker/blob/1306606ce76e61f

Adding support to get the config items as a dict. this allows me to do things like this:
config.yaml

postgres:
  host: localhost
  port: 5432
  user: postgres
  password: pass

and in dp.py

async def get_db(app):
    pg = app['config']['postgres']
    app['db'] = await create_engine(**pg.as_dict())

This works, as the keys in the yaml, have the same a