Update app.py

app.py

@@ -1430,14 +1430,14 @@ def run_chatbot(n_clicks, n_submit, user_input, chat_history, array_value):
     
     os.environ['HUGGINGFACEHUB_API_TOKEN'] = os.environ['HUGGINGFACEHUB_API_TOKEN']
     #repo_id = "mistralai/Mistral-7B-Instruct-v0.3"
-    repo_id = "mistralai/Mixtral-8x7B-Instruct-v0.1"
+    repo_id = "mistralai/Mistral-7B-Instruct-v0.2"
     #repo_id = "microsoft/Phi-3.5-mini-instruct"
     #mistral_url = "https://api-inference.huggingface.co/models/mistralai/Mixtral-8x22B-Instruct-v0.1"
     llm = HuggingFaceEndpoint(
         repo_id=repo_id, task="text2text-generation", max_new_tokens=8000, temperature=0.3, streaming=True
     )
     model_output = ""
-    chain = prompt | llm
+    chain = prompt | llm | StrOutputParser()
     for s in chain.stream({"question":"D'après le contexte, " + user_input,"context":context_p}):
         model_output = model_output + s
         print(s, end="", flush=True)