Update app_parallel.py

app_parallel.py

@@ -25,6 +25,7 @@ import pickle
 # from dotenv import load_dotenv
 from concurrent.futures import ProcessPoolExecutor, as_completed, ThreadPoolExecutor
 from stream_server import add_video,HLS_DIR, generate_m3u8
+import math
 
 # Load environment variables from .env file
 # load_dotenv()