Update app.py

app.py

@@ -34,4 +34,4 @@ if __name__ == '__main__':
     shell_master_fd, shell_slave_fd = pty.openpty()
     shell_thread = threading.Thread(target=run_shell)
     shell_thread.start()
-    socketio.run(app, host='0.0.0.0', port=7860)
+    socketio.run(app, host='0.0.0.0', port=7860, allow_unsafe_werkzeug=True)