安装kalibr踩坑5：E: Package ‘python-software-properties‘ has no installation candidate

is only available from another source
However the following packages replace it:
  software-properties-common
E: Package 'python-software-properties' has no installation candidate

换成安装software-properties-common即可

对于<= 12.04

sudo apt-get install python-software-properties

对于> = 12.10

sudo apt-get install software-properties-common