1 files changed, 6 insertions, 7 deletions
diff --git a/src/prompt_toolkit/key_binding/key_bindings.py b/src/prompt_toolkit/key_binding/key_bindings.py
index 62530f2..854da80 100644
--- a/src/prompt_toolkit/key_binding/key_bindings.py
+++ b/src/prompt_toolkit/key_binding/key_bindings.py
@@ -34,6 +34,7 @@ been assigned, through the `key_binding` decorator.::
     # Later, add it to the key bindings.
     kb.add(Keys.A, my_key_binding)
 """
+
 from __future__ import annotations
 
 from abc import ABCMeta, abstractmethod, abstractproperty
@@ -140,10 +141,8 @@ class Binding:
             event.app.invalidate()
 
     def __repr__(self) -> str:
-        return "{}(keys={!r}, handler={!r})".format(
-            self.__class__.__name__,
-            self.keys,
-            self.handler,
+        return (
+            f"{self.__class__.__name__}(keys={self.keys!r}, handler={self.handler!r})"
         )
 
 
@@ -226,9 +225,9 @@ class KeyBindings(KeyBindingsBase):
 
     def __init__(self) -> None:
         self._bindings: list[Binding] = []
-        self._get_bindings_for_keys_cache: SimpleCache[
-            KeysTuple, list[Binding]
-        ] = SimpleCache(maxsize=10000)
+        self._get_bindings_for_keys_cache: SimpleCache[KeysTuple, list[Binding]] = (
+            SimpleCache(maxsize=10000)
+        )
         self._get_bindings_starting_with_keys_cache: SimpleCache[
             KeysTuple, list[Binding]
         ] = SimpleCache(maxsize=1000)