Strating Melissa AI ModuleNotFoundError: Никакой модуль, названный 'flask_socketio', справкой?

Команда:

ubuntu@ubuntu:~/Melissa-Core/melissa$ FLASK_APP=__main__.py flask run

Результат:

 ***Traceback (most recent call last):
  File "/usr/bin/flask", line 11, in <module>
    load_entry_point('Flask==0.12.2', 'console_scripts', 'flask')()
  File "/usr/lib/python3/dist-packages/flask/cli.py", line 513, in main
    cli.main(args=args, prog_name=name)
  File "/usr/lib/python3/dist-packages/flask/cli.py", line 380, in main
    return AppGroup.main(self, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/usr/lib/python3/dist-packages/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3/dist-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/lib/python3/dist-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/click/decorators.py", line 64, in new_func
    return ctx.invoke(f, obj, *args[1:], **kwargs)
  File "/usr/lib/python3/dist-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/flask/cli.py", line 423, in run_command
    app = DispatchingApp(info.load_app, use_eager_loading=eager_loading)
  File "/usr/lib/python3/dist-packages/flask/cli.py", line 152, in __init__
    self._load_unlocked()
  File "/usr/lib/python3/dist-packages/flask/cli.py", line 176, in _load_unlocked
    self._app = rv = self.loader()
  File "/usr/lib/python3/dist-packages/flask/cli.py", line 237, in load_app
    rv = locate_app(self.app_import_path)
  File "/usr/lib/python3/dist-packages/flask/cli.py", line 90, in locate_app
    __import__(module)
  File "/home/ubuntu/Melissa-Core/melissa/__main__.py", line 2, in <module>
    from flask_socketio import SocketIO
ModuleNotFoundError: No module named 'flask_socketio'***

Подробнее:

Последняя версия Ubuntu, все зависимости, требуемые установленный, все зафиксированные предварительные ошибки, какая-либо идея, как запустить AI?

(Свяжитесь с официальным GitHub:https://github.com/Melissa-AI/Melissa-Core),