fix output_folder var

app.py

@@ -102,7 +102,7 @@ def infer(video_frames, masks_frames, project_name):
         print(item)
 
     # List the content of the "bmx-trees" folder within "results"
-    results_folder = os.path.join(output_folder, f"{project_name}")
+    results_folder = os.path.join(output_folder, my_video_directory)
     results_folder_content = [os.path.join(results_folder, item) for item in os.listdir(results_folder)]
 
     print(f"Contents of the {results_folder} folder:")