diff --git a/google/cloud/bigquery/dataset.py b/google/cloud/bigquery/dataset.py
index f5b6ffd01..ce07c8048 100644
--- a/google/cloud/bigquery/dataset.py
+++ b/google/cloud/bigquery/dataset.py
@@ -133,7 +133,15 @@ class AccessEntry(object):
     """
 
     ENTITY_TYPES = frozenset(
-        ["userByEmail", "groupByEmail", "domain", "specialGroup", "view", "iamMember", "routine"]
+        [
+            "userByEmail",
+            "groupByEmail",
+            "domain",
+            "specialGroup",
+            "view",
+            "iamMember",
+            "routine",
+        ]
     )
     """Allowed entity types."""
 
@@ -147,7 +155,8 @@ def __init__(self, role, entity_type, entity_id):
         if entity_type in ("view", "routine"):
             if role is not None:
                 raise ValueError(
-                    "Role must be None for a %r. Received " "role: %r" % (entity_type, role)
+                    "Role must be None for a %r. Received "
+                    "role: %r" % (entity_type, role)
                 )
         else:
             if role is None:
diff --git a/tests/unit/test_dataset.py b/tests/unit/test_dataset.py
index 9ed3366a8..b3a53a08d 100644
--- a/tests/unit/test_dataset.py
+++ b/tests/unit/test_dataset.py
@@ -141,7 +141,6 @@ def test_to_api_repr_routine(self):
         exp_resource = {"routine": routine}
         self.assertEqual(resource, exp_resource)
 
-
     def test_from_api_repr(self):
         resource = {"role": "OWNER", "userByEmail": "salmon@example.com"}
         entry = self._get_target_class().from_api_repr(resource)