Update app.py

app.py

@@ -83,9 +83,10 @@ index = VectorStoreIndex.from_vector_store(vector_store, embed_model=Settings.em
 query_engine = index.as_query_engine()
 def rag(input_text, file):
     if (file):
-        documents = []
-        for f in file:
-            documents += SimpleDirectoryReader(f).load_data()
+#        documents = []
+#        for f in file:
+#            documents += SimpleDirectoryReader(f).load_data()
+        documents = SimpleDirectoryReader(file).load_data()
         index = VectorStoreIndex.from_documents(documents)
 #        collection.add(
 #            documents=documents,