Update app.py

app.py

@@ -512,6 +512,6 @@ with gr.Blocks() as demo:
 if __name__ == "__main__":
     demo.launch(
         server_name="0.0.0.0",
-        server_port=int(os.environ.get("PORT", 7860)),
+        server_port=int(os.environ.get("PORT",7860)),
         debug=True,
     )