import meibelai
from meibelai import Meibelai
import os


with Meibelai(
    api_key_header=os.getenv("MEIBELAI_API_KEY_HEADER", ""),
) as m_client:

    m_client.blueprints.instances.update_activity_status(blueprint_instance_id="<id>", activity_id="<id>", updated_status_value=meibelai.ActivityStatus.WAITING)

    # Use the SDK ...

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}