Socket.IO or Engine.IO issues

[Mantiph]

The client is using an unsupported version of the Socket.IO or Engine.IO protocols (further occurrences of this error will be logged with level INFO)
[2023-08-31 07:00:38,018] ERROR in app: Exception on /get_title [POST]
Traceback (most recent call last):
File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 2190, in wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 1486, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python3.10/dist-packages/flask_cors/extension.py", line 176, in wrapped_function
return cors_after_request(app.make_response(f(*args, **kwargs)))
File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 1484, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.10/dist-packages/flask/app.py", line 1469, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File "/root/trape/trape/core/stats.py", line 97, in home_get_title
return json.dumps({'status' : 'OK', 'title' : html})
File "/usr/local/lib/python3.10/dist-packages/flask/json/init.py", line 41, in dumps
return current_app.json.dumps(obj, **kwargs)
File "/usr/local/lib/python3.10/dist-packages/flask/json/provider.py", line 180, in dumps
return json.dumps(obj, **kwargs)
File "/usr/lib/python3.10/json/init.py", line 238, in dumps
**kw).encode(obj)
File "/usr/lib/python3.10/json/encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib/python3.10/json/encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File "/usr/local/lib/python3.10/dist-packages/flask/json/provider.py", line 120, in _default
raise TypeError(f"Object of type {type(o).name} is not JSON serializable")
TypeError: Object of type bytes is not JSON serializable