diff --git a/tests/app/clients/test_aws_cloudwatch.py b/tests/app/clients/test_aws_cloudwatch.py
index fdb653f5b..419903617 100644
--- a/tests/app/clients/test_aws_cloudwatch.py
+++ b/tests/app/clients/test_aws_cloudwatch.py
@@ -18,7 +18,7 @@ def test_check_sms_no_event_error_condition(notify_api, mocker):
         try:
             aws_cloudwatch_client.check_sms(message_id, notification_id)
             assert 1 == 0
-        except Exception as e:
+        except Exception:
             assert 1 == 1
 
 
diff --git a/tests/app/dao/test_provider_details_dao.py b/tests/app/dao/test_provider_details_dao.py
index 35613dcca..73335e8fa 100644
--- a/tests/app/dao/test_provider_details_dao.py
+++ b/tests/app/dao/test_provider_details_dao.py
@@ -124,7 +124,7 @@ def test_get_alternative_sms_provider_returns_expected_provider(identifier, expe
     try:
         get_alternative_sms_provider(identifier)
         assert 1 == 0
-    except Exception as e:
+    except Exception:
         assert 1 == 1
 
 
diff --git a/tests/app/dao/test_service_email_reply_to_dao.py b/tests/app/dao/test_service_email_reply_to_dao.py
index 48a6b4554..58784f240 100644
--- a/tests/app/dao/test_service_email_reply_to_dao.py
+++ b/tests/app/dao/test_service_email_reply_to_dao.py
@@ -127,11 +127,11 @@ def test_add_reply_to_email_address_ensure_there_is_not_more_than_one_default(sa
     create_reply_to_email(service=sample_service, email_address='second@email.com', is_default=True)
 
     try:
-    # flake8 doesn't like raise with a generic Exception
+        # flake8 doesn't like raise with a generic Exception
         add_reply_to_email_address_for_service(
             service_id=sample_service.id, email_address='third_email@address.com', is_default=False)
         assert 1 == 0
-    except Exception as e:
+    except Exception:
         assert 1 == 1
 
 
diff --git a/tests/app/delivery/test_send_to_providers.py b/tests/app/delivery/test_send_to_providers.py
index c0ebe2b81..4e2631b79 100644
--- a/tests/app/delivery/test_send_to_providers.py
+++ b/tests/app/delivery/test_send_to_providers.py
@@ -71,9 +71,10 @@ def test_provider_to_use_raises_if_no_active_providers(mocker, restore_provider_
     try:
         send_to_providers.provider_to_use('sms')
         assert 1 == 0
-    except Exception as e:
+    except Exception:
         assert 1 == 1
 
+
 def test_should_send_personalised_template_to_correct_sms_provider_and_persist(
     sample_sms_template_with_html,
     mocker
@@ -528,7 +529,7 @@ def test_should_not_update_notification_if_research_mode_on_exception(
     try:
         send_to_providers.send_sms_to_provider(sample_notification)
         assert 1 == 0
-    except Exception as e:
+    except Exception:
         assert 1 == 1
 
     persisted_notification = notifications_dao.get_notification_by_id(sample_notification.id)
@@ -603,7 +604,7 @@ def test_should_set_notification_billable_units_and_reduces_provider_priority_if
     try:
         send_to_providers.send_sms_to_provider(sample_notification)
         assert 1 == 0
-    except Exception as e:
+    except Exception:
         assert 1 == 1
 
     assert sample_notification.billable_units == 1