code quality fixes and cleanup

execution_queue.py

@@ -0,0 +1,10 @@
+import asyncio
+from typing import Any, Dict
+
+execution_queue: asyncio.Queue[Dict[str, Any]] = asyncio.Queue()
+
+
+async def enqueue(action):
+    future = asyncio.Future()
+    execution_queue.put_nowait({"action": action, "future": future})
+    return await future