Comment 2 for bug 1387961

OK， I will run on Fedora 20， and test it again。 I have on question： everytime devtest use pip install is very slow，
I export the env like this：
export PYPI_MIRROR_URL=http://pypi.pubyun.com/simple/
export DIB_NO_PYPI_PIP=1

but it doesn't work，can you help me？ thank you。