我的系统配置：
分销商ID：Ubuntu 描述：Ubuntu 16.10 发布：16.10 代号：yakkety
终端〜$ sudo apt-get install python -lxml
Error Found :
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
dkms libgsoap9 libvncserver1
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
python-bs4 python-chardet python-html5lib
Suggested packages:
python-genshi python-lxml-dbg python-lxml-doc
The following NEW packages will be installed:
python-bs4 python-chardet python-html5lib python-lxml
0 upgraded, 4 newly installed, 0 to remove and 10 not upgraded.
Need to get 782 kB/962 kB of archives.
After this operation, 4,173 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Ign:1 http://in.archive.ubuntu.com/ubuntu yakkety/main amd64 python-bs4 all 4.5.1-1
Err:2 http://in.archive.ubuntu.com/ubuntu yakkety/main amd64 python-lxml amd64 3.6.4-1
404 Not Found [IP: 91.189.88.149 80]
Err:1 http://in.archive.ubuntu.com/ubuntu yakkety/main i386 python-bs4 all 4.5.1-1
404 Not Found [IP: 91.189.88.149 80]
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/b/beautifulsoup4/python-bs4_4.5.1-1_all.deb 404 Not Found [IP: 91.189.88.149 80]
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/l/lxml/python-lxml_3.6.4-1_amd64.deb 404 Not Found [IP: 91.189.88.149 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?