Update app.py

app.py

@@ -1,3 +1,6 @@
+import signal
+import os
+
 import gradio as gr
 
 import src.dependency  # noqa
@@ -135,6 +138,12 @@ with demo:
                 show_copy_button=True,
             )
 
+def handle_pdb(sig, frame):
+    import pdb
+    pdb.Pdb().set_trace(frame)    
+
 if __name__ == "__main__":
     # Launch demo
+    signal.signal(signal.SIGUSR1, handle_pdb)
+    print(os.getpid())
     demo.queue().launch(ssr_mode=False)