qt6 mypy: Fix handling of AbstractTab.is_deleted()

1 files changed, 7 insertions, 4 deletions

diff --git a/qutebrowser/browser/browsertab.py b/qutebrowser/browser/browsertab.py
index 9692be483..093380fc0 100644
--- a/qutebrowser/browser/browsertab.py
+++ b/qutebrowser/browser/browsertab.py
@@ -1181,8 +1181,7 @@ class AbstractTab(QWidget):
     @pyqtSlot(bool)
     def _on_load_finished(self, ok: bool) -> None:
         assert self._widget is not None
-        # FIXME:mypy PyQt6-stubs issue?
-        if sip.isdeleted(self._widget):
+        if self.is_deleted():
             # https://github.com/qutebrowser/qutebrowser/issues/3498
             return
 
@@ -1342,5 +1341,9 @@ class AbstractTab(QWidget):
 
     def is_deleted(self) -> bool:
         assert self._widget is not None
-        # FIXME:mypy PyQt6-stubs issue?
-        return sip.isdeleted(self._widget)
+        # FIXME:v4 cast needed for QtWebKit
+        if machinery.IS_QT6:
+            widget = cast(QWidget, self._widget)
+        else:
+            widget = self._widget
+        return sip.isdeleted(widget)