5 files changed, 7 insertions, 3 deletions
diff --git a/src/prompt_toolkit/input/ansi_escape_sequences.py b/src/prompt_toolkit/input/ansi_escape_sequences.py
index 5648c66..1fba418 100644
--- a/src/prompt_toolkit/input/ansi_escape_sequences.py
+++ b/src/prompt_toolkit/input/ansi_escape_sequences.py
@@ -10,6 +10,7 @@ mostly Xterm compatible.
 Some useful docs:
 - Mintty: https://github.com/mintty/mintty/blob/master/wiki/Keycodes.md
 """
+
 from __future__ import annotations
 
 from ..keys import Keys
diff --git a/src/prompt_toolkit/input/base.py b/src/prompt_toolkit/input/base.py
index fd1429d..3dcb994 100644
--- a/src/prompt_toolkit/input/base.py
+++ b/src/prompt_toolkit/input/base.py
@@ -1,6 +1,7 @@
 """
 Abstraction of CLI Input.
 """
+
 from __future__ import annotations
 
 from abc import ABCMeta, abstractmethod, abstractproperty
@@ -116,7 +117,7 @@ class DummyInput(Input):
         raise NotImplementedError
 
     def typeahead_hash(self) -> str:
-        return "dummy-%s" % id(self)
+        return f"dummy-{id(self)}"
 
     def read_keys(self) -> list[KeyPress]:
         return []
diff --git a/src/prompt_toolkit/input/typeahead.py b/src/prompt_toolkit/input/typeahead.py
index a45e7cf..f8faa93 100644
--- a/src/prompt_toolkit/input/typeahead.py
+++ b/src/prompt_toolkit/input/typeahead.py
@@ -31,6 +31,7 @@ To support type ahead, this module will store all the key strokes that were
 read too early, so that they can be feed into to the next `prompt()` call or to
 the next prompt_toolkit `Application`.
 """
+
 from __future__ import annotations
 
 from collections import defaultdict
diff --git a/src/prompt_toolkit/input/vt100_parser.py b/src/prompt_toolkit/input/vt100_parser.py
index 99e2d99..73dbce3 100644
--- a/src/prompt_toolkit/input/vt100_parser.py
+++ b/src/prompt_toolkit/input/vt100_parser.py
@@ -1,6 +1,7 @@
 """
 Parser for VT100 input stream.
 """
+
 from __future__ import annotations
 
 import re
diff --git a/src/prompt_toolkit/input/win32.py b/src/prompt_toolkit/input/win32.py
index 35e8948..322d7c0 100644
--- a/src/prompt_toolkit/input/win32.py
+++ b/src/prompt_toolkit/input/win32.py
@@ -329,8 +329,8 @@ class ConsoleInputReader:
         buffered_high_surrogate = None
         for key in key_presses:
             is_text = not isinstance(key.key, Keys)
-            is_high_surrogate = is_text and "\uD800" <= key.key <= "\uDBFF"
-            is_low_surrogate = is_text and "\uDC00" <= key.key <= "\uDFFF"
+            is_high_surrogate = is_text and "\ud800" <= key.key <= "\udbff"
+            is_low_surrogate = is_text and "\udc00" <= key.key <= "\udfff"
 
             if buffered_high_surrogate:
                 if is_low_surrogate: