diff --git a/IPython/core/completer.py b/IPython/core/completer.py
index 4873be6..e3351ed 100644
--- a/IPython/core/completer.py
+++ b/IPython/core/completer.py
@@ -1362,9 +1362,9 @@ def match_dict_keys(
         # All checks passed!
         return True
 
-    filtered_key_is_final: Dict[Union[str, bytes, int, float], _DictKeyState] = (
-        defaultdict(lambda: _DictKeyState.BASELINE)
-    )
+    filtered_key_is_final: Dict[
+        Union[str, bytes, int, float], _DictKeyState
+    ] = defaultdict(lambda: _DictKeyState.BASELINE)
 
     for k in keys:
         # If at least one of the matches is not final, mark as undetermined.
diff --git a/IPython/core/guarded_eval.py b/IPython/core/guarded_eval.py
index 628fe2f..39fe853 100644
--- a/IPython/core/guarded_eval.py
+++ b/IPython/core/guarded_eval.py
@@ -44,17 +44,20 @@ else:
 
 @undoc
 class HasGetItem(Protocol):
-    def __getitem__(self, key) -> None: ...
+    def __getitem__(self, key) -> None:
+        ...
 
 
 @undoc
 class InstancesHaveGetItem(Protocol):
-    def __call__(self, *args, **kwargs) -> HasGetItem: ...
+    def __call__(self, *args, **kwargs) -> HasGetItem:
+        ...
 
 
 @undoc
 class HasGetAttr(Protocol):
-    def __getattr__(self, key) -> None: ...
+    def __getattr__(self, key) -> None:
+        ...
 
 
 @undoc
@@ -326,9 +329,9 @@ class EvaluationContext(NamedTuple):
     #: Global namespace
     globals: dict
     #: Evaluation policy identifier
-    evaluation: Literal["forbidden", "minimal", "limited", "unsafe", "dangerous"] = (
-        "forbidden"
-    )
+    evaluation: Literal[
+        "forbidden", "minimal", "limited", "unsafe", "dangerous"
+    ] = "forbidden"
     #: Whether the evaluation of code takes place inside of a subscript.
     #: Useful for evaluating ``:-1, 'col'`` in ``df[:-1, 'col']``.
     in_subscript: bool = False
diff --git a/IPython/core/tests/test_formatters.py b/IPython/core/tests/test_formatters.py
index 5f8eeda..cd8c83e 100644
--- a/IPython/core/tests/test_formatters.py
+++ b/IPython/core/tests/test_formatters.py
@@ -535,7 +535,8 @@ def test_custom_repr_namedtuple_partialmethod():
     from functools import partialmethod
     from typing import NamedTuple
 
-    class Foo(NamedTuple): ...
+    class Foo(NamedTuple):
+        ...
 
     Foo.__repr__ = partialmethod(lambda obj: "Hello World")
     foo = Foo()