qa/cephfs: use StringIO instead of BytesIO

Fixes: https://tracker.ceph.com/issues/45425
Signed-off-by: Rishabh Dave <ridave@redhat.com>

diff --git a/qa/tasks/cephfs/mount.py b/qa/tasks/cephfs/mount.py
index 91146695af08a7f8ced3880f8bc3d2e6549d2fb1..c0ada14e52bf385cb931aaf8ef38a396c8bf5997 100644 (file)
--- a/qa/tasks/cephfs/mount.py
+++ b/qa/tasks/cephfs/mount.py
@@ -1,5 +1,4 @@
 from contextlib import contextmanager
-from io import BytesIO
 import json
 import logging
 import datetime
@@ -593,7 +592,7 @@ class CephFSMount(object):
             cwd = self.mountpoint
 
         return self.client_remote.run(args=args, stdin=stdin, wait=wait,
-                                      stdout=BytesIO(), stderr=BytesIO(),
+                                      stdout=StringIO(), stderr=StringIO(),
                                       cwd=cwd, check_status=check_status)
 
     def run_as_user(self, args, user, wait=True, stdin=None,
@@ -611,7 +610,7 @@ class CephFSMount(object):
             cwd = self.mountpoint
 
         return self.client_remote.run(args=args, wait=wait, stdin=stdin,
-                                      stdout=BytesIO(), stderr=BytesIO(),
+                                      stdout=StringIO(), stderr=StringIO(),
                                       check_status=check_status, cwd=cwd)
 
     def run_as_root(self, args, wait=True, stdin=None, check_status=True,
@@ -624,7 +623,7 @@ class CephFSMount(object):
             cwd = self.mountpoint
 
         return self.client_remote.run(args=args, wait=wait, stdin=stdin,
-                                      stdout=BytesIO(), stderr=BytesIO(),
+                                      stdout=StringIO(), stderr=StringIO(),
                                       check_status=check_status, cwd=cwd)
 
     def _verify(self, proc, retval=None, errmsg=None):