import contextlib
import logging
import os
-import yaml
import random
+import string
+import yaml
from teuthology import misc as teuthology
from teuthology import contextutil
import contextlib
import logging
import os
-import yaml
import random
+import string
+import yaml
from teuthology import misc as teuthology
from teuthology import contextutil
import contextlib
import logging
import os
-import string
import random
+import string
from teuthology import misc as teuthology
from teuthology import contextutil