diff --git a/slim_trees/__init__.py b/slim_trees/__init__.py
index ea20a8d..ec1ac75 100644
--- a/slim_trees/__init__.py
+++ b/slim_trees/__init__.py
@@ -75,7 +75,7 @@ def dump_sklearn_compressed(
     """
     from slim_trees.sklearn_tree import dump
 
-    dump_compressed(model, file, compression, dump) # type: ignore
+    dump_compressed(model, file, compression, dump)  # type: ignore
 
 
 def dumps_sklearn_compressed(
diff --git a/slim_trees/pickling.py b/slim_trees/pickling.py
index dfa1ce1..3bd5d55 100644
--- a/slim_trees/pickling.py
+++ b/slim_trees/pickling.py
@@ -67,14 +67,15 @@ def _unpack_compression_args(
         return compression_method, _get_default_kwargs(compression_method)
     raise ValueError("File must be a path or compression must not be None.")
 
+
 @overload
 def dump_compressed(
     obj: Any,
     file: BinaryIO,
     compression: Union[str, dict],
     dump_function: Optional[Callable] = None,
-):
-    ...
+): ...
+
 
 @overload
 def dump_compressed(
@@ -82,8 +83,8 @@ def dump_compressed(
     file: Union[str, pathlib.Path],
     compression: Optional[Union[str, dict]] = None,
     dump_function: Optional[Callable] = None,
-):
-    ...
+): ...
+
 
 def dump_compressed(
     obj: Any,
@@ -145,16 +146,16 @@ def load_compressed(
     file: BinaryIO,
     compression: Union[str, dict],
     unpickler_class: type = pickle.Unpickler,
-):
-    ...
+): ...
+
 
 @overload
 def load_compressed(
     file: Union[str, pathlib.Path],
     compression: Optional[Union[str, dict]] = None,
     unpickler_class: type = pickle.Unpickler,
-):
-    ...
+): ...
+
 
 def load_compressed(
     file: Union[str, pathlib.Path, BinaryIO],