qa/tasks/cephadm: drop python2 support

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/qa/tasks/cephadm.py b/qa/tasks/cephadm.py
index 211286c4f8a25de81708b5df74a55800ef7428a0..4dac03941bfcb49aff320fb8890a97b6d5276c64 100644 (file)
--- a/qa/tasks/cephadm.py
+++ b/qa/tasks/cephadm.py
@@ -11,9 +11,8 @@ import json
 import re
 import uuid
 
-from io import BytesIO
+from io import BytesIO, StringIO
 import toml
-from six import StringIO
 from tarfile import ReadError
 from tasks.ceph_manager import CephManager
 from teuthology import misc as teuthology