Update app.py

app.py

@@ -1,12 +1,14 @@
 import gradio as gr
 import asyncio
-import json
+import json, os
 import functools
 import numpy as np
 from sklearn.metrics.pairwise import cosine_similarity
 from sentence_transformers import SentenceTransformer
 from agents import Agent, Runner, function_tool
 
+os.environ['OPENAI_API_KEY'] = API_Key
+
 # Sample movie knowledge base
 movie_knowledge_base = [
     {