```chris@debian:~$ pip install ruamel.yaml
Collecting ruamel.yaml
  Downloading https://files.pythonhosted.org/packages/de/96/46c37edcaa3301559571d5efd6c6ba80f9eac85646992d6a2e6abcf021da/ruamel.yaml-0.15.81-cp27-cp27mu-manylinux1_x86_64.whl (610kB)
    100% |████████████████████████████████| 614kB 1.4MB/s 
Collecting ruamel.ordereddict; platform_python_implementation == "CPython" and python_version <= "2.7" (from ruamel.yaml)
  Downloading https://files.pythonhosted.org/packages/f3/2c/fa6d75dc459b371ed3b88fdbf8042785ce1655073c884fd97bdbb9f48e01/ruamel.ordereddict-0.4.13-cp27-cp27mu-manylinux1_x86_64.whl (99kB)
    100% |████████████████████████████████| 102kB 2.7MB/s 
Installing collected packages: ruamel.ordereddict, ruamel.yaml
Successfully installed ruamel.ordereddict-0.4.13 ruamel.yaml-0.15.81
chris@debian:~$ 



```