diff --git a/tests/base/run_migration_test_abc.py b/tests/base/run_migration_test_abc.py
index b31a8b1..fb2b7cb 100644
--- a/tests/base/run_migration_test_abc.py
+++ b/tests/base/run_migration_test_abc.py
@@ -10,20 +10,16 @@
 
 class CompareAndRunTestCase(ABC):
     @abstractmethod
-    def get_database_schema(self) -> MetaData:
-        ...
+    def get_database_schema(self) -> MetaData: ...
 
     @abstractmethod
-    def get_target_schema(self) -> MetaData:
-        ...
+    def get_target_schema(self) -> MetaData: ...
 
     @abstractmethod
-    def get_expected_upgrade(self) -> str:
-        ...
+    def get_expected_upgrade(self) -> str: ...
 
     @abstractmethod
-    def get_expected_downgrade(self) -> str:
-        ...
+    def get_expected_downgrade(self) -> str: ...
 
     def test_run(self, connection: "Connection"):
         database_schema = self.get_database_schema()