好的，所以我得到了PiFace2，我正在尝试安装pifacecad，但你需要pyton3lirc，但这就是我想要的
pi@raspberrypi:~ $ sudo apt-get install python3-lirc
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
python3-lirc : Depends: python3 (< 3.5) but 3.5.3-1 is to be installed
E: Unable to correct problems, you have held broken packages.