Add missing @OverRide's

src/appui/_quote_table.py

@@ -35,6 +35,7 @@ def __del__(self) -> None:
         # Make sure the query thread is stopped
         self._state.query_thread_running = False
 
+    @override
     def on_mount(self) -> None:
         """The event handler called when the widget is added to the app."""
 
@@ -163,6 +164,7 @@ def _get_styled_cell(self, cell: QuoteCell) -> Text:
             else "",
         )
 
+    @override
     def watch_hover_coordinate(self, old: Coordinate, value: Coordinate) -> None:
         """
         Watch the hover coordinate and update the cursor type accordingly.

src/appui/stockyardapp.py

@@ -3,7 +3,7 @@
 import json
 import logging
 from io import TextIOWrapper
-from typing import Any, ClassVar, Optional
+from typing import Any, ClassVar, Optional, override
 
 from textual import work
 from textual.app import App, ComposeResult
@@ -44,6 +44,7 @@ def __init__(self) -> None:
         self._state: StockyardAppState = StockyardAppState(self.__yfinance)
         self._priming_worker: Optional[Worker[None]] = None
 
+    @override
     def compose(self) -> ComposeResult:
         """Create child widgets for the app."""