diff --git a/dbt/adapters/databricks/constraints.py b/dbt/adapters/databricks/constraints.py
index 44df75ef..96380090 100644
--- a/dbt/adapters/databricks/constraints.py
+++ b/dbt/adapters/databricks/constraints.py
@@ -1,16 +1,17 @@
+from functools import partial
 from typing import Any, Callable, Optional, TypeVar
+
 from dbt_common.contracts.constraints import (
     ColumnLevelConstraint,
-    ModelLevelConstraint,
     ConstraintType,
+    ModelLevelConstraint,
 )
-from dbt_common.exceptions import DbtValidationError
 from dbt_common.events.functions import warn_or_error
+from dbt_common.exceptions import DbtValidationError
+
 from dbt.adapters.base import ConstraintSupport
-from dbt.adapters.events.types import ConstraintNotSupported, ConstraintNotEnforced
 from dbt.adapters.databricks.logging import logger
-from functools import partial
-
+from dbt.adapters.events.types import ConstraintNotEnforced, ConstraintNotSupported
 
 # Support constants
 CONSTRAINT_SUPPORT = {
diff --git a/tests/unit/test_constraints.py b/tests/unit/test_constraints.py
index b5047704..343e0b71 100644
--- a/tests/unit/test_constraints.py
+++ b/tests/unit/test_constraints.py
@@ -1,12 +1,13 @@
-from mock import patch
 import pytest
 from dbt_common.contracts.constraints import (
-    ConstraintType,
     ColumnLevelConstraint,
+    ConstraintType,
     ModelLevelConstraint,
 )
-from dbt.adapters.databricks import constraints
 from dbt_common.exceptions import DbtValidationError
+from mock import patch
+
+from dbt.adapters.databricks import constraints
 
 
 class TestConstraintsSupported: