fix missing "

Author: peter-urban

python/themachinethatgoesping/pingprocessing/widgets/echogramviewer_pyqtgraph2.py

@@ -2086,7 +2086,7 @@ def get_matplotlib(
     # =========================================================================
 
     def _on_layout_change(self, change: Dict[str, Any]) -> None:
-        """Handle grid layout change.""
+        """Handle grid layout change."""
         new_rows, new_cols = change['new']
 
         # Skip if no actual change