boto paginators the right way

paginate.py

def paginate(method, **kwargs):
      client = method.__self__
      paginator = client.get_paginator(method.__name__)
      for page in paginator.paginate(**kwargs).result_key_iters():
          for result in page:
              yield result

# usage:
import boto3

ec2 = boto3.client("ec2")

instances = paginate(ec2.describe_instances, Filters=[...])
for instance in instances:
  # ....