Update accident_app.py

accident_app.py

@@ -85,12 +85,21 @@ def create_chunks_from_frames(frames, window_size=30):
         chunks[-1] = pad_chunk(chunks[-1])
     return chunks
 
-
 def overlay_predictions_to_video(frames, predictions):
     temp_dir = 'temp_frames'
     
     # Clear existing frames and video if they exist
     if os.path.exists(temp_dir):
+        for filename in os.listdir(temp_dir):
+            file_path = os.path.join(temp_dir, filename)
+            try:
+                if os.path.isfile(file_path) or os.path.islink(file_path):
+                    os.unlink(file_path)
+                elif os.path.isdir(file_path):
+                    shutil.rmtree(file_path)
+            except Exception as e:
+                print(f'Failed to delete {file_path}. Reason: {e}')
+
         shutil.rmtree(temp_dir)
     os.makedirs(temp_dir)