Update response_file format

app.py

@@ -181,7 +181,7 @@ def setup_and_load_data():
         print("Data repository already exists.")
 
     base_path = os.path.join(repo_dir, "cleaned_dataset")
-    response_file = os.path.join(repo_dir, "response_sheet", "GenAI_Response_Sheet.xlsx")
+    response_file = os.path.join(repo_dir, "response_sheet", "GenAI Response Sheet.xlsx")
 
     analyzer = EnhancedAIvsRealGazeAnalyzer().load_and_process_data(base_path, response_file)
     return analyzer