diff --git a/app/main/forms.py b/app/main/forms.py
index d051cdb43..77b228fe7 100644
--- a/app/main/forms.py
+++ b/app/main/forms.py
@@ -4,8 +4,8 @@ from itertools import chain
 
 import pytz
 from flask_wtf import FlaskForm as Form
-from flask_wtf.file import FileField as FileField_wtf
 from flask_wtf.file import FileAllowed
+from flask_wtf.file import FileField as FileField_wtf
 from notifications_utils.columns import Columns
 from notifications_utils.recipients import (
     InvalidPhoneError,
diff --git a/app/main/views/index.py b/app/main/views/index.py
index e16361fad..a00ab5523 100644
--- a/app/main/views/index.py
+++ b/app/main/views/index.py
@@ -1,7 +1,8 @@
 from flask import redirect, render_template, request, url_for
 from flask_login import current_user, login_required
-from notifications_utils.international_billing_rates import \
-    INTERNATIONAL_BILLING_RATES
+from notifications_utils.international_billing_rates import (
+    INTERNATIONAL_BILLING_RATES,
+)
 from notifications_utils.template import HTMLEmailTemplate
 
 from app import convert_to_boolean
diff --git a/tests/app/main/views/test_manage_users.py b/tests/app/main/views/test_manage_users.py
index 24f9a2c25..e5b6981d4 100644
--- a/tests/app/main/views/test_manage_users.py
+++ b/tests/app/main/views/test_manage_users.py
@@ -3,7 +3,6 @@ import copy
 import pytest
 from bs4 import BeautifulSoup
 from flask import url_for
-from tests.conftest import service_one as create_sample_service
 from tests.conftest import (
     SERVICE_ONE_ID,
     active_user_manage_template_permission,
@@ -12,6 +11,7 @@ from tests.conftest import (
     active_user_with_permissions,
     normalize_spaces,
 )
+from tests.conftest import service_one as create_sample_service
 
 import app
 from app.notify_client.models import InvitedUser
diff --git a/tests/app/main/views/test_templates.py b/tests/app/main/views/test_templates.py
index b9f94bffd..6e7b04bed 100644
--- a/tests/app/main/views/test_templates.py
+++ b/tests/app/main/views/test_templates.py
@@ -11,7 +11,6 @@ from tests import (
     template_json,
     validate_route_permission,
 )
-from tests.conftest import service_one as create_sample_service
 from tests.conftest import (
     SERVICE_ONE_ID,
     mock_get_service_email_template,
@@ -19,8 +18,9 @@ from tests.conftest import (
     mock_get_service_template,
     no_letter_contact_blocks,
     normalize_spaces,
-    single_letter_contact_block,
 )
+from tests.conftest import service_one as create_sample_service
+from tests.conftest import single_letter_contact_block
 
 from app.main.views.templates import (
     get_human_readable_delta,
diff --git a/tests/app/notify_client/test_template_statistics_client.py b/tests/app/notify_client/test_template_statistics_client.py
index cbb01ac74..a6f30de6b 100644
--- a/tests/app/notify_client/test_template_statistics_client.py
+++ b/tests/app/notify_client/test_template_statistics_client.py
@@ -1,7 +1,8 @@
 import uuid
 
-from app.notify_client.template_statistics_api_client import \
-    TemplateStatisticsApiClient
+from app.notify_client.template_statistics_api_client import (
+    TemplateStatisticsApiClient,
+)
 
 
 def test_template_statistics_client_calls_correct_api_endpoint_for_service(mocker, api_user_active):