diff -ru a/aqt/models.py b/aqt/models.py
--- a/aqt/models.py	2023-08-12 19:21:54.421356229 +0300
+++ b/aqt/models.py	2023-08-12 19:21:54.421356229 +0300
@@ -7,7 +7,7 @@
 import aqt.clayout
 from anki import stdmodels
 from aqt.utils import saveGeom, restoreGeom
-import collections.abc
+import collections
 from anki.lang import _, ngettext
 
 class Models(QDialog):
@@ -170,7 +170,7 @@
         # standard models
         self.models = []
         for (name, func) in stdmodels.models:
-            if isinstance(name, collections.abc.Callable):
+            if isinstance(name, collections.Callable):
                 name = name()
             item = QListWidgetItem(_("Add: %s") % name)
             self.dialog.models.addItem(item)