Stop using @abstractproperty which is deprecated.

src/prompt_toolkit/input/base.py

@@ -4,7 +4,7 @@
 
 from __future__ import annotations
 
-from abc import ABCMeta, abstractmethod, abstractproperty
+from abc import ABCMeta, abstractmethod
 from contextlib import contextmanager
 from typing import Callable, ContextManager, Generator
 
@@ -55,7 +55,8 @@ def flush(self) -> None:
         "The event loop can call this when the input has to be flushed."
         pass
 
-    @abstractproperty
+    @property
+    @abstractmethod
     def closed(self) -> bool:
         "Should be true when the input stream is closed."
         return False

src/prompt_toolkit/key_binding/key_bindings.py

@@ -37,7 +37,7 @@ def my_key_binding(event):
 
 from __future__ import annotations
 
-from abc import ABCMeta, abstractmethod, abstractproperty
+from abc import ABCMeta, abstractmethod
 from inspect import isawaitable
 from typing import (
     TYPE_CHECKING,
@@ -155,7 +155,8 @@ class KeyBindingsBase(metaclass=ABCMeta):
     Interface for a KeyBindings.
     """
 
-    @abstractproperty
+    @property
+    @abstractmethod
     def _version(self) -> Hashable:
         """
         For cache invalidation. - This should increase every time that
@@ -186,7 +187,8 @@ def get_bindings_starting_with_keys(self, keys: KeysTuple) -> list[Binding]:
         """
         return []
 
-    @abstractproperty
+    @property
+    @abstractmethod
     def bindings(self) -> list[Binding]:
         """
         List of `Binding` objects.

src/prompt_toolkit/styles/base.py

@@ -4,7 +4,7 @@
 
 from __future__ import annotations
 
-from abc import ABCMeta, abstractmethod, abstractproperty
+from abc import ABCMeta, abstractmethod
 from typing import Callable, Hashable, NamedTuple
 
 __all__ = [
@@ -126,7 +126,8 @@ def get_attrs_for_style_str(
         :param default: `Attrs` to be used if no styling was defined.
         """
 
-    @abstractproperty
+    @property
+    @abstractmethod
     def style_rules(self) -> list[tuple[str, str]]:
         """
         The list of style rules, used to create this style.