Update app.py

app.py

@@ -254,7 +254,7 @@ def invoke (prompt, history, openai_api_key, rag_option, temperature=0.9, max_ne
         #LLM auswählen (OpenAI oder HF)
         ###########################
         #Anfrage an OpenAI
-        #llm = ChatOpenAI(model_name = MODEL_NAME,  openai_api_key = openai_api_key, temperature = 0)
+        llm = ChatOpenAI(model_name = MODEL_NAME,  openai_api_key = openai_api_key, temperature = 0)
         #oder an Hugging Face
         #llm = HuggingFaceHub(repo_id=repo_id, model_kwargs={"temperature": 0.5, "max_length": 64})