Update app.py

app.py

@@ -173,7 +173,7 @@ def delete_index_namespace():
     print("index_current:"+str(index_current))
     print("index_status:"+str(index_status))
     print("namespace:"+namespace)       
-    index_namespace_to_delete = pinecone.Index(index_name=index_current)
+    index_namespace_to_delete = pinecone.Index(index_name=index_name)
     index_namespace_to_delete.delete(delete_all=True, namespace=namespace)
     print("Pinecone Index Namespace: "+namespace+" has been deleted!")
     print("****************End of Namespace Deletion*******************")