Update app.py

app.py

@@ -22,6 +22,11 @@ client = OpenAI(api_key=openai_api_key)
 # Initialize connection to Pinecone
 pc = PineconeGRPC(api_key=pinecone_api_key)
 
+# Initialize your index
+if index_name not in pc.list_indexes():
+    spec = ServerlessSpec(replicas=1, pod_type="p1")
+    pc.create_index(name=index_name, dimension=1536, spec=spec)
+
 pinecone_index = pc.Index(index_name)
 
 # Initialize VectorStore