Update app.py

Listen to 0.0.0.0:7860 so that the app can start

app.py

@@ -455,7 +455,7 @@ with block:
 
 
 block.launch(
-    server_name='0.0.0.0' if os.getenv('GRADIO_LISTEN', '') != '' else "127.0.0.1",
+    server_name='0.0.0.0', #if os.getenv('GRADIO_LISTEN', '') != '' else "127.0.0.1",
     share=False,
     root_path=f"/{os.getenv('GRADIO_PROXY_PATH')}" if os.getenv('GRADIO_PROXY_PATH') else ""
 )