Update app.py

app.py

@@ -86,7 +86,8 @@ def rag(input_text, file):
 #        documents = []
 #        for f in file:
 #            documents += SimpleDirectoryReader(f).load_data()
-        documents = SimpleDirectoryReader(file).load_data()
+        f = file + "*.pdf"
+        documents = SimpleDirectoryReader(f).load_data()
         index = VectorStoreIndex.from_documents(documents)
 #        collection.add(
 #            documents=documents,
@@ -96,7 +97,7 @@ def rag(input_text, file):
     query_engine = index.as_query_engine()
     return query_engine.query(
         input_text
-    )
+    ) + 
 
 iface = gr.Interface(fn=rag, inputs=[gr.Textbox(label="Pitanje:", lines=6), gr.File()], 
                      outputs=[gr.Textbox(label="Odgovor:", lines=6)],