add parent dir path to support running main locally

app/main.py

@@ -1,3 +1,6 @@
+import sys
+import os
+
 from langchain_core.runnables import Runnable
 from langchain_core.callbacks import BaseCallbackHandler
 from fastapi import FastAPI, Request, Depends
@@ -81,6 +84,14 @@ async def simple_stream(request: Request):
 #     raise NotImplemented
     
 
+# Run From the Parent Directory with Script
+# If you want to use uvicorn.run from within a script using "app.main:app", 
+# you need to provide the proper path. In this way no matter you run the code 
+# locally or on the huggingface space, you will alwazs use "app.main:app" as 
+# input argument in the uvicorn.run
+
+# Add the parent directory to sys.path
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 if __name__ == "__main__":
     import uvicorn