requests release 2.22.0 added a python requires that excludes all
versions of Python < 3.5. The LFCI's default 3 version is 3.4 so
causes build failure.
Change-Id: I8797c37bbe1b0fa54be348f09b60b98065e23ab7 Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>