missing lib

exo/api/chatgpt_api.py

@@ -9,6 +9,7 @@ from aiohttp import web
 import aiohttp_cors
 import traceback
 import os
+import signal
 import sys
 from exo import DEBUG, VERSION
 from exo.download.download_progress import RepoProgressEvent

exo/main.py

@@ -195,7 +195,6 @@ async def run_model_cli(node: Node, inference_engine: InferenceEngine, model_nam
 
 def clean_path(path):
     """Clean and resolve given path."""
-    """strips swift optional type"""
     if path.startswith("Optional("):
         path = path.strip('Optional("').rstrip('")')
     return os.path.expanduser(path)