这个错误是一个 AttributeError,它通常发生在尝试访问一个对象的属性时,但该对象并没有这个属性。错误信息明确指出了 'type object 'IOLoop' has no attribute 'initialized',这意味着 IOLoop 这个类型对象没有 initialized 这个属性。 2. 确认 IOLoop 对象所属库的版本和文档 IOLoop 类通常出现在使用 Tornado 框架...
如果在启动jupyter notebook时遇到: type object 'IOLoop' has no attribute 'initialized' 这就是tornado版本的问题,但是与其回退版本,不如升级版本 If you've got tornado v5 then you need to upgrade pyzmq to v17. If you're using anaconda installation of python this works conda install -c anaconda ...
Used salt for the past 2 days, only running the highstate commands. Went back to it this morning, none of the services are working. They all give the following error: 2018-03-05 12:29:16,104 [salt.utils.process:670 ][ERROR ][19428] An un...
[docs] def initialized(): """Returns true if the singleton instance has been created.""" return hasattr(IOLoop, "_instance") [docs] def install(self): """Installs this `IOLoop` object as the singleton instance. This is normally not necessary as `instance()` will create an `IOLoop`...
用anacondaprompt打开jupyter时,出现AttributeError:typeobject‘IOLoop’hasnoattribute‘initialized’,解决方案如下:condainstalltornado=4.5进行tornado下载 python安装包相关报错 报500的错误报错信息如下图:解决办法: 把jupyter的依赖tornado卸载,然后重装tornado5.1.1 就ok 命令: pip uninstalltornadopipinstalltornado5.1.1...
has caused the Debian Bug report #893817, regarding salt-minion does not start: AttributeError: type object 'IOLoop' has no attribute 'initialized' to be marked as done. This means that you claim that the problem has been dealt with. ...