Update app.py

app.py

@@ -305,4 +305,5 @@ async def get_session_history(session: SessionData = Depends(get_session)):
 if __name__ == "__main__":
     import uvicorn
     port = int(os.environ.get("PORT", 7860))
-    uvicorn.run("app:app", host="0.0.0.0", port=port, workers=4, log_level="info")
+    uvicorn.run("app:app", host="0.0.0.0", port=port, workers=4, log_level="info")
+