diff --git a/kuryr_kubernetes/controller/drivers/utils.py b/kuryr_kubernetes/controller/drivers/utils.py
index f5c34aba8..9b4b7d42d 100644
--- a/kuryr_kubernetes/controller/drivers/utils.py
+++ b/kuryr_kubernetes/controller/drivers/utils.py
@@ -349,7 +349,7 @@ def match_expressions(expressions, labels):
                 label_value = labels.get(str(exp['key']), None)
                 if exp_op == constants.K8S_OPERATOR_IN:
                     if label_value is None or label_value not in exp_values:
-                            return False
+                        return False
                 elif exp_op == constants.K8S_OPERATOR_NOT_IN:
                     if label_value in exp_values:
                         return False
@@ -373,7 +373,7 @@ def match_labels(crd_labels, labels):
     for crd_key, crd_value in crd_labels.items():
         label_value = labels.get(crd_key, None)
         if not label_value or crd_value != label_value:
-                return False
+            return False
     return True
 
 
diff --git a/kuryr_kubernetes/utils.py b/kuryr_kubernetes/utils.py
index d39cfc275..004b899d2 100644
--- a/kuryr_kubernetes/utils.py
+++ b/kuryr_kubernetes/utils.py
@@ -321,9 +321,8 @@ def get_endpoints_link(service):
     link_parts = svc_link.split('/')
 
     if link_parts[-2] != 'services':
-        raise exceptions.IntegrityError(_(
-            "Unsupported service link: %(link)s") % {
-            'link': svc_link})
+        raise exceptions.IntegrityError(
+            f"Unsupported service link: {svc_link}")
     link_parts[-2] = 'endpoints'
 
     return "/".join(link_parts)
diff --git a/test-requirements.txt b/test-requirements.txt
index ffb5526b7..d1b4dc1ef 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+hacking>=2.0.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT