上的InstanceEditor演示示例引发了以下异常: File "C:\Users\jgv\AppData\Local\Programs\Python\Python36\lib\site-packages\traitsui\ui.py", line 232, in dispose File "C:\Users\jgv\AppData\Local\Programs\Python\Python36\lib\site-packages\t
谁能给我一个线索,为什么我在尝试安装libpar2时会出现这些错误? from libpar2.h:4,/usr/include/sigc++-2.0/sigc++/signal.h:1557:26: error: declaration of 'typedef struct sigc::signal0<T_return, T_accum