Rally dropped py27 support.
Change-Id: I298088905dab16a0b085d7f47aa90a74b253a5d6
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
 jobs:
   include:
     - stage: run unit tests
-      script: tox -e pep8,pylint,yamllint,ansiblelint,bashate,py27,py38
+      script: tox
     - stage: build functest-kubernetes-core image
       script: sudo -E bash build.sh
       env:
 
 [tox]
-envlist = pep8,pylint,yamllint,ansiblelint,bashate,py27,py38,bandit,perm
+envlist = pep8,pylint,yamllint,ansiblelint,bashate,py38,bandit,perm
 
 [testenv]
 usedevelop = True