我正在Ubuntu 16.04服务器上建立模型。我根据官方网页（http://torch.ch/docs/getting-started.html）下载并安装了割炬，但是当我运行命令bash install-deps时，发生了依赖性问题。
(py3) root@boltzmann:/home/ubuntu/torch# bash install-deps
Hit:1 http://mirrors.aliyun.com/ubuntu xenial InRelease
Hit:2 http://mirrors.aliyun.com/ubuntu xenial-updates InRelease
Hit:3 http://mirrors.aliyun.com/ubuntu xenial-backports InRelease
Hit:4 http://mirrors.aliyun.com/ubuntu xenial-security InRelease
Get:5 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Get:6 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Hit:7 http://ppa.launchpad.net/jonathonf/python-3.6/ubuntu bionic InRelease
Hit:8 http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease
Get:9 http://archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Get:10 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [558 kB]
Get:11 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [746 kB]
Fetched 1,556 kB in 19s (78.5 kB/s)
Reading package lists... Done
Updated successfully.
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:
python-software-properties : Depends: python-apt (>= 0.6.20ubuntu16) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
我试图通过使用google解决此问题，发现两个问题与我的相似，one使用以下命令，
sudo apt-get clean; apt-get update --fix-missing
the other是将软件包名从python-software-properties更改为{{1}文件中第178行和261行的python3-software-properties，显然，它不再起作用。 / p>
install-deps我尝试通过(py3) root@boltzmann:/home/ubuntu/torch# bash install-deps
Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Hit:2 http://mirrors.aliyun.com/ubuntu xenial InRelease
Hit:3 http://mirrors.aliyun.com/ubuntu xenial-updates InRelease
Hit:4 http://mirrors.aliyun.com/ubuntu xenial-backports InRelease
Hit:5 http://mirrors.aliyun.com/ubuntu xenial-security InRelease
Hit:6 http://ppa.launchpad.net/jonathonf/python-3.6/ubuntu bionic InRelease
Hit:7 http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease
Get:8 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:9 http://archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Fetched 252 kB in 17s (14.3 kB/s)
Reading package lists... Done
Updated successfully.
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-software-properties : Depends: gpg but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
安装gpd，但仍然
apt-get这不是始终安装缺少的依赖项的方法，因此，希望我能在您的帮助下找到解决方案。谢谢。