Make indentation consistent in req_command.py.
Make indentation consistent in req_command.py.

pfmoore/pip,pradyunsg/pip,pypa/pip,pypa/pip,xavfernandez/pip,sbidoul/pip,rouge8/pip,pfmoore/pip,pradyunsg/pip,xavfernandez/pip,rouge8/pip,sbidoul/pip,xavfernandez/pip,rouge8/pip