resolve_ methods on nested objects

[sedlar]

Is it possible to use resolve_ method on nested objects like in following updated aiohttp example code?

import random
import asyncio
import graphene


class Query(graphene.ObjectType):
    base = graphene.String()


class RandomType(graphene.ObjectType):
    seconds = graphene.Int()
    random_int = graphene.Int()

  async def resolve_random_int(_, __):
    return random.randint(0, 500)


class Subscription(graphene.ObjectType):
    random_int = graphene.Field(RandomType)

    async def resolve_random_int(root, info):
        i = 0
        while True:
            yield RandomType(seconds=i)
            await asyncio.sleep(1.)
            i += 1


schema = graphene.Schema(query=Query, subscription=Subscription)

I'm getting following error message

{
  "id": 26,
  "type": "data",
  "payload": {
    "data": {
      "random_int": null
    },
  "errors": [
     {
       "message": "int() argument must be a string, a bytes-like object or a number, not 'AnonymousObservable'"
     }
]}}

[SmileyChris]

RandomType.resolve_random_int shouldn't be an asynchronous method