Add type hints for apt.dyndeckconf

* Add type hints for apt.dyndeckconf
* Turn on check_untyped_defs for apt.dyndeckconf

qt/aqt/dyndeckconf.py

@@ -1,6 +1,7 @@
 # Copyright: Ankitects Pty Ltd and contributors
 # -*- coding: utf-8 -*-
 # License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+from typing import List, Optional
 
 import aqt
 from anki.lang import _
@@ -139,14 +140,14 @@ it?"""
     def listToUser(self, l):
         return " ".join([str(x) for x in l])
 
-    def userToList(self, w, minSize=1):
+    def userToList(self, w, minSize=1) -> Optional[List[Union[float, int]]]:
         items = str(w.text()).split(" ")
         ret = []
-        for i in items:
-            if not i:
+        for item in items:
+            if not item:
                 continue
             try:
-                i = float(i)
+                i = float(item)
                 assert i > 0
                 if i == int(i):
                     i = int(i)
@@ -154,8 +155,8 @@ it?"""
             except:
                 # invalid, don't update
                 showWarning(_("Steps must be numbers."))
-                return
+                return None
         if len(ret) < minSize:
             showWarning(_("At least one step is required."))
-            return
+            return None
         return ret

qt/mypy.ini

@@ -66,3 +66,5 @@ check_untyped_defs=true
 check_untyped_defs=true
 [mypy-aqt.deckchooser]
 check_untyped_defs=true
+[mypy-aqt.dyndeckconf]
+check_untyped_defs=true