diff --git a/qt/aqt/gui_hooks.py b/qt/aqt/gui_hooks.py
index f3397f90e..83ab69d9b 100644
--- a/qt/aqt/gui_hooks.py
+++ b/qt/aqt/gui_hooks.py
@@ -7,7 +7,7 @@ See pylib/anki/hooks.py
 
 from __future__ import annotations
 
-from typing import Any, Callable, List, Optional, Tuple
+from typing import Any, Callable, List, Optional, Tuple, Sequence
 
 import anki
 import aqt
@@ -2177,6 +2177,7 @@ class _ReviewerWillInitAnswerButtonsFilter:
     _hooks: List[
         Callable[
             ["Optional[Tuple[Tuple[int, str], ...]]", "aqt.reviewer.Reviewer", Card],
+            ["Tuple[Tuple[int, str], ...]", "aqt.reviewer.Reviewer", Card],
             Tuple[Tuple[int, str], ...],
         ]
     ] = []
@@ -2184,17 +2185,17 @@ class _ReviewerWillInitAnswerButtonsFilter:
     def append(
         self,
         cb: Callable[
-            ["Optional[Tuple[Tuple[int, str], ...]]", "aqt.reviewer.Reviewer", Card],
+            ["Tuple[Tuple[int, str], ...]", "aqt.reviewer.Reviewer", Card],
             Tuple[Tuple[int, str], ...],
         ],
     ) -> None:
-        """(buttons_tuple: Optional[Tuple[Tuple[int, str], ...]], reviewer: aqt.reviewer.Reviewer, card: Card)"""
+        """(buttons_tuple: Tuple[Tuple[int, str], ...], reviewer: aqt.reviewer.Reviewer, card: Card)"""
         self._hooks.append(cb)
 
     def remove(
         self,
         cb: Callable[
-            ["Optional[Tuple[Tuple[int, str], ...]]", "aqt.reviewer.Reviewer", Card],
+            ["Tuple[Tuple[int, str], ...]", "aqt.reviewer.Reviewer", Card],
             Tuple[Tuple[int, str], ...],
         ],
     ) -> None:
@@ -2206,7 +2207,7 @@ class _ReviewerWillInitAnswerButtonsFilter:
 
     def __call__(
         self,
-        buttons_tuple: Optional[Tuple[Tuple[int, str], ...]],
+        buttons_tuple: Tuple[Tuple[int, str], ...],
         reviewer: aqt.reviewer.Reviewer,
         card: Card,
     ) -> Tuple[Tuple[int, str], ...]:
diff --git a/qt/aqt/reviewer.py b/qt/aqt/reviewer.py
index d30436de8..4560f51e5 100644
--- a/qt/aqt/reviewer.py
+++ b/qt/aqt/reviewer.py
@@ -621,10 +621,10 @@ time = %(time)d;
         else:
             return 2
 
-    def _answerButtonList(self) -> Sequence[Tuple[int, str], ...]:
+    def _answerButtonList(self) -> Tuple[Tuple[int, str], ...]:
         button_count = self.mw.col.sched.answerButtons(self.card)
         if button_count == 2:
-            buttons_tuple = ((1, _("Again")), (2, _("Good")),)
+            buttons_tuple: Tuple[Tuple[int, str], ...] = ((1, _("Again")), (2, _("Good")),)
         elif button_count == 3:
             buttons_tuple = ((1, _("Again")), (2, _("Good")), (3, _("Easy")))
         else:
diff --git a/qt/tools/genhooks_gui.py b/qt/tools/genhooks_gui.py
index bf84ce664..32d840b82 100644
--- a/qt/tools/genhooks_gui.py
+++ b/qt/tools/genhooks_gui.py
@@ -61,19 +61,21 @@ hooks = [
     Hook(
         name="reviewer_will_init_answer_buttons",
         args=[
-            "buttons_tuple: Optional[Tuple[Tuple[int, str], ...]]",
+            "buttons_tuple: Tuple[Tuple[int, str], ...]",
             "reviewer: aqt.reviewer.Reviewer",
             "card: Card",
         ],
         return_type="Tuple[Tuple[int, str], ...]",
         doc="""Used to modify list of answer buttons
 
-        buttons_tuple is a tuple of buttons, with each button represented by a tuple
-        containing an int for the button's number and a string for the button's label.
+        buttons_tuple is a sequence of buttons, with each button represented
+        by a tuple containing an int for the button's number and a string for
+        the button's label.
 
         Return a tuple of the form ((1, "Label1"), (2, "Label2"), ...)
 
-        Note: import _ from anki.lang to support automatic translation, using, e.g.,
+        Note: import _ from anki.lang to support automatic translation, using,
+        e.g.,
             ((1, _("Label1")), ...)
         """,
     ),