Update app.py

app.py

@@ -163,7 +163,8 @@ def worker_loop():
     print(f"✓ [{WORKER_ID}] worker_loop started")
     print(f"  STATE_FILE exists: {os.path.exists(STATE_FILE)}")
     print(f"  RAW_DIR contents: {list(Path(RAW_DIR).iterdir())[:5]}")
-    pool = mp.Pool(processes=2, initializer=init_worker, initargs=(TOK_PATH,))
+    pool = mp.Pool(processes=2, initializer=init_worker, initargs=(TOK_PATH,), 
+               context=mp.get_context("spawn"))
     print(f"✓ [{WORKER_ID}] 2-core tokenizer pool ready")
 
     try: