diff --git a/.mypy.ini b/.mypy.ini
index be7fcefa8..f9fdf42f5 100644
--- a/.mypy.ini
+++ b/.mypy.ini
@@ -30,6 +30,12 @@ disallow_untyped_defs = False
 strict_optional = True
 [mypy-aqt.browser.*]
 strict_optional = True
+[mypy-aqt.data.*]
+strict_optional = True
+[mypy-aqt.forms.*]
+strict_optional = True
+[mypy-aqt.import_export.*]
+strict_optional = True
 [mypy-aqt.operations.*]
 strict_optional = True
 [mypy-anki.scheduler.base]
@@ -41,10 +47,10 @@ disallow_untyped_defs = False
 [mypy-stringcase]
 ignore_missing_imports = True
 [mypy-aqt.mpv]
-disallow_untyped_defs=False
-ignore_errors=True
+disallow_untyped_defs = False
+ignore_errors = True
 [mypy-aqt.winpaths]
-disallow_untyped_defs=False
+disallow_untyped_defs = False
 
 [mypy-win32file]
 ignore_missing_imports = True
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index cf5dd1538..b0002241c 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -187,7 +187,7 @@ Christian Donat <https://github.com/cdonat2>
 Asuka Minato <https://asukaminato.eu.org>
 Dillon Baldwin <https://github.com/DillBal>
 Voczi <https://github.com/voczi>
-Ben Nguyen <105088397+bpnguyen107@users.noreply.github.com>    
+Ben Nguyen <105088397+bpnguyen107@users.noreply.github.com>     
 Themis Demetriades <themis100@outlook.com>
 Luke Bartholomew <lukesbart@icloud.com>
 Gregory Abrasaldo <degeemon@gmail.com>
diff --git a/qt/aqt/import_export/exporting.py b/qt/aqt/import_export/exporting.py
index ad7fc4ef6..4903faea3 100644
--- a/qt/aqt/import_export/exporting.py
+++ b/qt/aqt/import_export/exporting.py
@@ -88,7 +88,9 @@ class ExportDialog(QDialog):
         self.frm.includeHTML.setChecked(True)
         # set default option if accessed through deck button
         if did:
-            name = self.mw.col.decks.get(did)["name"]
+            deck = self.mw.col.decks.get(did)
+            assert deck is not None
+            name = deck["name"]
             index = self.frm.deck.findText(name)
             self.frm.deck.setCurrentIndex(index)
             self.frm.includeSched.setChecked(False)
diff --git a/qt/aqt/import_export/import_dialog.py b/qt/aqt/import_export/import_dialog.py
index 1a5118503..68482d39e 100644
--- a/qt/aqt/import_export/import_dialog.py
+++ b/qt/aqt/import_export/import_dialog.py
@@ -64,7 +64,7 @@ class ImportDialog(QDialog):
         restoreGeom(self, self.args.title, default_size=self.DEFAULT_SIZE)
         addCloseShortcut(self)
 
-        self.web = AnkiWebView(kind=self.args.kind)
+        self.web: AnkiWebView | None = AnkiWebView(kind=self.args.kind)
         self.web.setVisible(False)
         self.web.load_sveltekit_page(f"{self.args.ts_page}/{quote(self.args.path)}")
         layout = QVBoxLayout()
@@ -78,6 +78,7 @@ class ImportDialog(QDialog):
     def reject(self) -> None:
         if self.mw.col and self.windowModality() == Qt.WindowModality.ApplicationModal:
             self.mw.col.set_wants_abort()
+        assert self.web is not None
         self.web.cleanup()
         self.web = None
         saveGeom(self, self.args.title)