diff --git a/florist/tests/unit/api/test_client.py b/florist/tests/unit/api/test_client.py
index 5a13f34..c6737f0 100644
--- a/florist/tests/unit/api/test_client.py
+++ b/florist/tests/unit/api/test_client.py
@@ -25,16 +25,14 @@ def test_start_success(mock_launch_client: Mock) -> None:
     test_redis_host = "test-redis-host"
     test_redis_port = "test-redis-port"
 
-    response = client.start(test_server_address, test_client,
-                            test_data_path, test_redis_host, test_redis_port)
+    response = client.start(test_server_address, test_client, test_data_path, test_redis_host, test_redis_port)
 
     assert response.status_code == 200
     json_body = json.loads(response.body.decode())
     assert json_body == {"uuid": ANY}
 
     log_file_name = str(get_client_log_file_path(json_body["uuid"]))
-    mock_launch_client.assert_called_once_with(
-        ANY, test_server_address, log_file_name)
+    mock_launch_client.assert_called_once_with(ANY, test_server_address, log_file_name)
 
     client_obj = mock_launch_client.call_args_list[0][0][0]
     assert isinstance(client_obj, MnistClient)
@@ -54,8 +52,7 @@ def test_start_fail_unsupported_client() -> None:
     test_redis_host = "test-redis-host"
     test_redis_port = "test-redis-port"
 
-    response = client.start(test_server_address, test_client,
-                            test_data_path, test_redis_host, test_redis_port)
+    response = client.start(test_server_address, test_client, test_data_path, test_redis_host, test_redis_port)
 
     assert response.status_code == 400
     json_body = json.loads(response.body.decode())
@@ -71,8 +68,7 @@ def test_start_fail_exception(mock_launch_client: Mock) -> None:
     test_redis_host = "test-redis-host"
     test_redis_port = "test-redis-port"
 
-    response = client.start(test_server_address, test_client,
-                            test_data_path, test_redis_host, test_redis_port)
+    response = client.start(test_server_address, test_client, test_data_path, test_redis_host, test_redis_port)
 
     assert response.status_code == 500
     json_body = json.loads(response.body.decode())