Update app.py

app.py

@@ -1,4 +1,12 @@
-print("STARTED")
 import time
-time.sleep(3600)
-print("it worked")
+import os
+import sys
+
+print("🚀 CONTAINER STARTED")
+print("Python version:", sys.version)
+print("Working dir:", os.getcwd())
+
+# keep container alive so HF can attach logs
+while True:
+    print("💓 still alive")
+    time.sleep(10)