按照安装说明和依赖性进行操作后，我遇到以下显示的错误。
>>> from healthcareai import SupervisedModelTrainer
Unable to init server: Could not connect: Connection refused
Unable to init server: Could not connect: Connection refused
(.:120269): Gdk-CRITICAL **: 15:08:55.041: gdk_cursor_new_for_display: assertion 'GDK_IS_DISPLAY (display)' failed