updated UI options

src/upload_file.py

@@ -14,7 +14,7 @@ class UploadFile:
     """
 
     @staticmethod
-    def process_uploaded_files(files_dir: List, chatbot: List, llm = rag_with_dropdown: str) -> Tuple:
+    def process_uploaded_files(files_dir: List, chatbot: List, rag_with_dropdown: str) -> Tuple:
         """
         Prepares and saves a VectorDB from uploaded files.