diff --git a/cinder/backup/chunkeddriver.py b/cinder/backup/chunkeddriver.py
index 7cd82165a31..490baf84458 100644
--- a/cinder/backup/chunkeddriver.py
+++ b/cinder/backup/chunkeddriver.py
@@ -44,6 +44,8 @@ from cinder.volume import volume_utils
 
 if sys.platform == 'win32':
     from os_win import utilsfactory as os_win_utilsfactory
+else:
+    os_win_utilsfactory = None
 
 LOG = logging.getLogger(__name__)
 
diff --git a/cinder/volume/drivers/dell_emc/powermax/common.py b/cinder/volume/drivers/dell_emc/powermax/common.py
index 159ccbfa9aa..c266af22cba 100644
--- a/cinder/volume/drivers/dell_emc/powermax/common.py
+++ b/cinder/volume/drivers/dell_emc/powermax/common.py
@@ -4327,6 +4327,7 @@ class PowerMaxCommon(object):
         resume_original_sg_dict = dict()
         rdf_pair_broken = False
         resume_original_sg = False
+        rep_extra_specs = dict()
         is_partitioned = False
         if (was_rep_enabled and not is_rep_enabled) or backend_ids_differ:
             if self.promotion:
diff --git a/tox.ini b/tox.ini
index 5c91bbd0a79..90c7b2d9a40 100644
--- a/tox.ini
+++ b/tox.ini
@@ -107,7 +107,7 @@ allowlist_externals =
 install_command = {[testenv:py3]install_command}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-       pylint==2.17.0
+       pylint==3.0.2
 commands =
   {toxinidir}/tools/coding-checks.sh --pylint {posargs:all}