Various test fixes

vibe_bot/llama_wrapper.py

@@ -7,7 +7,8 @@ Allows custom endpoints for each of the above supported functions.
 from __future__ import annotations
 
 import json
-from typing import TYPE_CHECKING, Awaitable, Callable, cast
+from collections.abc import Awaitable, Callable
+from typing import TYPE_CHECKING, cast
 
 import openai
 import requests