style: Conform to linting

Author: caffeine-addictt

tests/test_dataframe_compatibility.py

@@ -33,11 +33,13 @@ def __init__(self, length: typing.Any, dataset: list):
 
 
 class DummyUnlikeSequence1:
-    def __init__(self) -> None: ...
+    def __init__(self) -> None:
+        ...
 
 
 class DummyUnlikeSequence2:
-    def __init__(self) -> None: ...
+    def __init__(self) -> None:
+        ...
 
     def __str__(self) -> str:
         return 'invalid'