diff --git a/tests/clientlib_test.py b/tests/clientlib_test.py
index ff3cce38..09bdb3ee 100644
--- a/tests/clientlib_test.py
+++ b/tests/clientlib_test.py
@@ -427,7 +427,7 @@ def test_minimum_pre_commit_version_passing():
 @pytest.mark.parametrize('schema', (CONFIG_SCHEMA, CONFIG_REPO_DICT))
 def test_warn_additional(schema):
     allowed_keys = {item.key for item in schema.items if hasattr(item, 'key')}
-    warn_additional, = [
+    warn_additional, = (
         x for x in schema.items if isinstance(x, cfgv.WarnAdditionalKeys)
-    ]
+    )
     assert allowed_keys == set(warn_additional.keys)
diff --git a/tests/repository_test.py b/tests/repository_test.py
index b6f7fb25..af829c2e 100644
--- a/tests/repository_test.py
+++ b/tests/repository_test.py
@@ -51,7 +51,7 @@ def _get_hook_no_install(repo_config, store, hook_id):
     config = cfgv.validate(config, CONFIG_SCHEMA)
     config = cfgv.apply_defaults(config, CONFIG_SCHEMA)
     hooks = all_hooks(config, store)
-    hook, = [hook for hook in hooks if hook.id == hook_id]
+    hook, = (hook for hook in hooks if hook.id == hook_id)
     return hook