diff --git a/tests/conftest.py b/tests/conftest.py
index bc807d00..c6ff166a 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -151,11 +151,7 @@ def s3_service(python_path: str, compose: Compose):
     subprocess.check_call(cmd)
 
     compose("cp", "tests/_create_bucket.py", "backend:/tmp")
-    compose.exec("backend",
-                 "bench",
-                 "pip",
-                 "install",
-                 "boto3~=1.34.143")
+    compose.exec("backend", "bench", "pip", "install", "boto3~=1.34.143")
     compose.exec(
         "-e",
         f"S3_ACCESS_KEY={access_key}",