Update app.py

app.py

@@ -114,8 +114,7 @@ def rag(input_text, file):
 #                    )
 
 def upload_file(filepath):
-    name = Path(filepath).name
-    documents = SimpleDirectoryReader(file).load_data()
+    documents = SimpleDirectoryReader(filepath).load_data()
     index = VectorStoreIndex.from_documents(documents)
     query_engine = index.as_query_engine()
     return filepath