Changed code to support older Python versions

venv/lib/python3.11/site-packages/rich_toolkit/element.py

@@ -0,0 +1,43 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Dict, NamedTuple, Optional
+
+if TYPE_CHECKING:
+    from .styles import BaseStyle
+
+
+class CursorOffset(NamedTuple):
+    top: int
+    left: int
+
+
+class Element:
+    metadata: Dict[Any, Any] = {}
+    style: BaseStyle
+
+    focusable: bool = True
+
+    def __init__(
+        self,
+        style: Optional[BaseStyle] = None,
+        metadata: Optional[Dict[Any, Any]] = None,
+    ):
+        from .styles import MinimalStyle
+
+        self._cancelled = False
+        self.metadata = metadata or {}
+        self.style = style or MinimalStyle()
+
+    @property
+    def cursor_offset(self) -> CursorOffset:
+        return CursorOffset(top=0, left=0)
+
+    @property
+    def should_show_cursor(self) -> bool:
+        return False
+
+    def handle_key(self, key: str) -> None:  # noqa: B027
+        pass
+
+    def on_cancel(self) -> None:  # noqa: B027
+        self._cancelled = True