Update app.py

app.py

@@ -1,4 +1,5 @@
 import os
+import gradio as gr
 import warnings
 import json
 from dotenv import load_dotenv
@@ -7,8 +8,6 @@ import time
 from functools import lru_cache
 import logging
  
- 
- 
 from langchain.agents import Tool, AgentExecutor
 from langchain.tools.retriever import create_retriever_tool
 from langchain.prompts import ChatPromptTemplate, MessagesPlaceholder
@@ -16,7 +15,13 @@ from langchain_community.vectorstores import FAISS
 from langchain_community.embeddings import AzureOpenAIEmbeddings
 from langchain_core.messages import HumanMessage, AIMessage, SystemMessage
 from openai import AzureOpenAI
- 
+
+
+# Patch Gradio bug
+import gradio_client.utils
+gradio_client.utils.json_schema_to_python_type = lambda schema, defs=None: "string"
+
+
 # Load environment variables
 load_dotenv()
 AZURE_OPENAI_API_KEY = os.getenv("AZURE_OPENAI_API_KEY")