qa/volume_client: switch to use python3

Currently for the ceph_volume_client in pybind only the python3 is
support.

Signed-off-by: Xiubo Li <xiubli@redhat.com>

diff --git a/qa/workunits/fs/upgrade/volume_client b/qa/workunits/fs/upgrade/volume_client
index 37ee954cbb24e2c3abeb4e7d71c53355ffdf5182..b3b6dd3e1cfe4fe72196d78c13511a4859353522 100755 (executable)
--- a/qa/workunits/fs/upgrade/volume_client
+++ b/qa/workunits/fs/upgrade/volume_client
@@ -2,7 +2,7 @@
 
 set -ex
 
-PYTHON="python2"
+PYTHON="python3"
 
 function run_payload {
     local payload="$1"