diff --git a/src/tests/ftest/cart/corpc/cart_corpc_five_node.py b/src/tests/ftest/cart/corpc/cart_corpc_five_node.py
index 4e991e801e1..58caea04729 100755
--- a/src/tests/ftest/cart/corpc/cart_corpc_five_node.py
+++ b/src/tests/ftest/cart/corpc/cart_corpc_five_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartCoRpcFiveNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_corpc(self):
         """
diff --git a/src/tests/ftest/cart/corpc/cart_corpc_one_node.py b/src/tests/ftest/cart/corpc/cart_corpc_one_node.py
index 1b2c369c988..604a58ff16c 100755
--- a/src/tests/ftest/cart/corpc/cart_corpc_one_node.py
+++ b/src/tests/ftest/cart/corpc/cart_corpc_one_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartCoRpcOneNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_corpc(self):
         """
diff --git a/src/tests/ftest/cart/corpc/cart_corpc_two_node.py b/src/tests/ftest/cart/corpc/cart_corpc_two_node.py
index 72625daf98b..75e3010ae62 100755
--- a/src/tests/ftest/cart/corpc/cart_corpc_two_node.py
+++ b/src/tests/ftest/cart/corpc/cart_corpc_two_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartCoRpcTwoNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_corpc(self):
         """
diff --git a/src/tests/ftest/cart/ctl/cart_ctl_five_node.py b/src/tests/ftest/cart/ctl/cart_ctl_five_node.py
index bf808f0b6d8..3852bbe58f6 100755
--- a/src/tests/ftest/cart/ctl/cart_ctl_five_node.py
+++ b/src/tests/ftest/cart/ctl/cart_ctl_five_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartCtlFiveNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_ctl(self):
         """
diff --git a/src/tests/ftest/cart/ctl/cart_ctl_one_node.py b/src/tests/ftest/cart/ctl/cart_ctl_one_node.py
index d5325b5885f..de092fcd3a5 100755
--- a/src/tests/ftest/cart/ctl/cart_ctl_one_node.py
+++ b/src/tests/ftest/cart/ctl/cart_ctl_one_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartCtlOneNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_ctl(self):
         """
diff --git a/src/tests/ftest/cart/ghost_rank_rpc/cart_ghost_rank_prc_one_node.py b/src/tests/ftest/cart/ghost_rank_rpc/cart_ghost_rank_prc_one_node.py
index 9dec1a7c670..f2f1ab94e1b 100755
--- a/src/tests/ftest/cart/ghost_rank_rpc/cart_ghost_rank_prc_one_node.py
+++ b/src/tests/ftest/cart/ghost_rank_rpc/cart_ghost_rank_prc_one_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartCoRpcOneNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_ghost_rank_rpc(self):
         """
diff --git a/src/tests/ftest/cart/group_test/group_test.py b/src/tests/ftest/cart/group_test/group_test.py
index dd80fcf1614..9f33482489f 100755
--- a/src/tests/ftest/cart/group_test/group_test.py
+++ b/src/tests/ftest/cart/group_test/group_test.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(GroupTest, self).tearDown()
+        super().tearDown()
 
     def test_group(self):
         """
diff --git a/src/tests/ftest/cart/iv/cart_iv_one_node.py b/src/tests/ftest/cart/iv/cart_iv_one_node.py
index 6f9e7ab93ae..3b448aa12c0 100755
--- a/src/tests/ftest/cart/iv/cart_iv_one_node.py
+++ b/src/tests/ftest/cart/iv/cart_iv_one_node.py
@@ -96,7 +96,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartIvOneNodeTest, self).tearDown()
+        super().tearDown()
 
     def _verify_action(self, action):
         """verify the action"""
diff --git a/src/tests/ftest/cart/iv/cart_iv_two_node.py b/src/tests/ftest/cart/iv/cart_iv_two_node.py
index 33ee832d6f4..0170bd600fd 100755
--- a/src/tests/ftest/cart/iv/cart_iv_two_node.py
+++ b/src/tests/ftest/cart/iv/cart_iv_two_node.py
@@ -89,7 +89,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartIvTwoNodeTest, self).tearDown()
+        super().tearDown()
 
     def _verify_action(self, action):
         """verify the action"""
diff --git a/src/tests/ftest/cart/nopmix_launcher/cart_nopmix_launcher_one_node.py b/src/tests/ftest/cart/nopmix_launcher/cart_nopmix_launcher_one_node.py
index a7a3d5606be..dda91876a3c 100755
--- a/src/tests/ftest/cart/nopmix_launcher/cart_nopmix_launcher_one_node.py
+++ b/src/tests/ftest/cart/nopmix_launcher/cart_nopmix_launcher_one_node.py
@@ -34,7 +34,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartNoPmixLauncherOneNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_no_pmix_launcher(self):
         """
diff --git a/src/tests/ftest/cart/rpc/cart_rpc_one_node.py b/src/tests/ftest/cart/rpc/cart_rpc_one_node.py
index fbd1cabb340..ed5b7c4efbe 100755
--- a/src/tests/ftest/cart/rpc/cart_rpc_one_node.py
+++ b/src/tests/ftest/cart/rpc/cart_rpc_one_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartRpcOneNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_rpc(self):
         """
diff --git a/src/tests/ftest/cart/rpc/cart_rpc_one_node_with_swim_notification_on_rank_eviction.py b/src/tests/ftest/cart/rpc/cart_rpc_one_node_with_swim_notification_on_rank_eviction.py
index 71a1b5fbdbf..a3fa78b36f9 100644
--- a/src/tests/ftest/cart/rpc/cart_rpc_one_node_with_swim_notification_on_rank_eviction.py
+++ b/src/tests/ftest/cart/rpc/cart_rpc_one_node_with_swim_notification_on_rank_eviction.py
@@ -49,7 +49,7 @@ def setUp(self):
     def tearDown(self):
         """Tear down."""
         print("tearDown() start")
-        super(CartRpcOneNodeSwimNotificationOnRankEvictionTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_rpc(self):
         """
diff --git a/src/tests/ftest/cart/rpc/cart_rpc_two_node.py b/src/tests/ftest/cart/rpc/cart_rpc_two_node.py
index 6dfee0ebebb..f6e5413ddce 100755
--- a/src/tests/ftest/cart/rpc/cart_rpc_two_node.py
+++ b/src/tests/ftest/cart/rpc/cart_rpc_two_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartRpcTwoNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_rpc(self):
         """
diff --git a/src/tests/ftest/cart/selftest/cart_selftest_three_node.py b/src/tests/ftest/cart/selftest/cart_selftest_three_node.py
index 8be98c4f88c..89d02f89cae 100755
--- a/src/tests/ftest/cart/selftest/cart_selftest_three_node.py
+++ b/src/tests/ftest/cart/selftest/cart_selftest_three_node.py
@@ -33,7 +33,7 @@ def tearDown(self):
         """ Tear down """
         self.report_timeout()
         self._teardown_errors.extend(self.utils.cleanup_processes())
-        super(CartSelfThreeNodeTest, self).tearDown()
+        super().tearDown()
 
     def test_cart_selftest(self):
         """