diff --git a/app/service/send_notification.py b/app/service/send_notification.py
index 068331167..5274d5e2b 100644
--- a/app/service/send_notification.py
+++ b/app/service/send_notification.py
@@ -4,7 +4,8 @@ from app.dao.service_sms_sender_dao import dao_get_service_sms_senders_by_id
 from app.notifications.validators import (
     check_service_over_daily_message_limit,
     validate_and_format_recipient,
-    validate_template, check_service_sms_sender_id)
+    validate_template
+)
 from app.notifications.process_notifications import (
     persist_notification,
     send_notification_to_queue,
@@ -15,7 +16,9 @@ from app.models import (
     KEY_TYPE_NORMAL,
     PRIORITY,
     SMS_TYPE,
-    EMAIL_TYPE, LETTER_TYPE)
+    EMAIL_TYPE,
+    LETTER_TYPE
+)
 from app.dao.services_dao import dao_fetch_service_by_id
 from app.dao.templates_dao import dao_get_template_by_id_and_service_id
 from app.dao.users_dao import get_user_by_id
diff --git a/tests/app/celery/test_tasks.py b/tests/app/celery/test_tasks.py
index 444469731..df1bf92f4 100644
--- a/tests/app/celery/test_tasks.py
+++ b/tests/app/celery/test_tasks.py
@@ -991,7 +991,7 @@ def test_save_sms_does_not_send_duplicate_and_does_not_put_in_retry_queue(sample
 
 def test_save_letter_saves_letter_to_database(mocker, notify_db_session):
     service = create_service()
-    create_letter_contact(service=service, contact_block="Address contract", is_default=True)
+    create_letter_contact(service=service, contact_block="Address contact", is_default=True)
     template = create_template(service=service, template_type=LETTER_TYPE)
     job = create_job(template=template)
 
@@ -1035,7 +1035,7 @@ def test_save_letter_saves_letter_to_database(mocker, notify_db_session):
     assert notification_db.sent_by is None
     assert notification_db.personalisation == personalisation
     assert notification_db.reference == "this-is-random-in-real-life"
-    assert notification_db.reply_to_text == "Address contract"
+    assert notification_db.reply_to_text == "Address contact"
 
 
 def test_should_cancel_job_if_service_is_inactive(sample_service,
diff --git a/tests/app/conftest.py b/tests/app/conftest.py
index 611baf810..79a56ed10 100644
--- a/tests/app/conftest.py
+++ b/tests/app/conftest.py
@@ -27,9 +27,17 @@ from app.models import (
     ProviderRates,
     ScheduledNotification,
     ServiceWhitelist,
-    KEY_TYPE_NORMAL, KEY_TYPE_TEST, KEY_TYPE_TEAM,
-    MOBILE_TYPE, EMAIL_TYPE, INBOUND_SMS_TYPE, SMS_TYPE, LETTER_TYPE, NOTIFICATION_STATUS_TYPES_COMPLETED,
-    SERVICE_PERMISSION_TYPES, ServiceEmailReplyTo
+    KEY_TYPE_NORMAL,
+    KEY_TYPE_TEST,
+    KEY_TYPE_TEAM,
+    MOBILE_TYPE,
+    EMAIL_TYPE,
+    INBOUND_SMS_TYPE,
+    SMS_TYPE,
+    LETTER_TYPE,
+    NOTIFICATION_STATUS_TYPES_COMPLETED,
+    SERVICE_PERMISSION_TYPES,
+    ServiceEmailReplyTo
 )
 from app.dao.users_dao import (create_user_code, create_secret_code)
 from app.dao.services_dao import (dao_create_service, dao_add_user_to_service)