Update app.py

app.py

@@ -42,9 +42,10 @@ if not MONGODB_URI:
 db_client = MongoClient(MONGODB_URI)
 db = db_client[DATABASE_NAME]
 invoice_collection = db[COLLECTION_NAME]
-openai.api_key = OPENAI_API_KEY
 
 app = FastAPI(docs_url='/')
+use_gpu = False
+output_dir = 'output'
 
 @app.on_event("startup")
 def startup_db():