Fix one pep8 violation
Fix one pep8 violation

Change-Id: I1d57c02bc0e5952bed7f5eb86d0ba602448035e9
Signed-off-by: Cédric Ollivier <d48310251a4a484d041bc5d09a9ac4d86d20f793@orange.com>

mywulin/functest,mywulin/functest,opnfv/functest,opnfv/functest