Mark ContentTab._PREFIX as being a constant

Textualize · Dec 7, 2023 · 1e472d5 · 1e472d5
1 parent fc5d611
commit 1e472d5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/textual/widgets/_tabbed_content.py b/src/textual/widgets/_tabbed_content.py
@@ -6,6 +6,7 @@
 
 from rich.repr import Result
 from rich.text import Text, TextType
+from typing_extensions import Final
 
 from ..app import ComposeResult
 from ..await_complete import AwaitComplete
@@ -26,7 +27,7 @@
 class ContentTab(Tab):
     """A Tab with an associated content id."""
 
-    _PREFIX = "--content-tab-"
+    _PREFIX: Final[str] = "--content-tab-"
     """The prefix given to the tab IDs."""
 
     @classmethod