Pygments release 2.4.0 which 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: Ie7992fb2c283c2b8aaf80b7475f90dbb22964703 Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>