[Linaro-validation] http://home.python-keyring.org/: [Errno -2] Name or service not known -- Some packages may not be found!

Hi All, While installing LAVA-server with latest build out (revision 195 )I am getting the error message like

*Download error on http://home.python-keyring.org/: [Errno -2] Name or service not known -- Some packages may not be found!

*and after that the lava-server setting process is getting failed with message

*While: Installing server. Getting distribution for 'docutils==0.9.1'.

An internal error occurred due to a bug in either zc.buildout or in a recipe being used: *

I tried to browse this page directly in browser but got error like server not found. Please help me on this issue... To see the complete log please got through the link http://paste.ubuntu.com/1099474/

Thank you Prakash Rnajan