Upload app.py

app.py

@@ -59,6 +59,8 @@ Use `/help-me` at any point of time to view this guide again.
 
 
 def process_documents_wrapper(inputs):
+    if inputs == []:
+        raise InvalidArgumentError("Please provide document urls")
     snippets, documents = process_documents(inputs)
     st.session_state.retriever = create_retriever(snippets)
     st.session_state.source_doc_urls = inputs
@@ -156,7 +158,7 @@ def query_llm(inputs, relevant_docs):
                 [
                     f"[{ref}]"
                     for ref in sorted(
-                        [ref.metadata["chunk_id"] for ref in relevant_docs],
+                        [str(ref.metadata["chunk_id"]) for ref in relevant_docs],
                     )
                 ]
             ),