ceph-volume: check trailing whitespaces with flake8

Let's use flake8 in order to check there's no trailing whitespaces in
future PRs.

Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

diff --git a/src/ceph-volume/tox.ini b/src/ceph-volume/tox.ini
index 9c09f8f9e456d3ee5e6cc6e7cd9ae3194a6095cf..92213f769c4ccc98b2f246fd83e75927c5ce56bb 100644 (file)
--- a/src/ceph-volume/tox.ini
+++ b/src/ceph-volume/tox.ini
@@ -11,7 +11,7 @@ commands=py.test -v {posargs:ceph_volume/tests} --ignore=ceph_volume/tests/funct
 
 [testenv:py3-flake8]
 deps=flake8
-commands=flake8 {posargs:ceph_volume}
+commands=flake8 --select F,E9,W291 {posargs:ceph_volume}
 
 [tool:pytest]
 norecursedirs = .* _* virtualenv