Update app.py

app.py

@@ -25,8 +25,8 @@ from langchain.document_loaders import (
     UnstructuredHTMLLoader,
     UnstructuredPowerPointLoader,
     UnstructuredODTLoader,
-    NotebookLoader
-
+    NotebookLoader,
+    UnstructuredFileLoader
 )
 from transformers import (
     AutoModelForCausalLM,