diff --git a/Makefile b/Makefile
index 5545721..699bd83 100644
--- a/Makefile
+++ b/Makefile
@@ -23,3 +23,6 @@ test:
 	mypy src
 	python -m doctest src/settings.py
 	black --check .
+
+develop:
+	ln -s ${PWD}/src ~/.local/share/Anki2/addons21/$$(basename ${PWD})_develop
diff --git a/README.md b/README.md
index 6993a4d..8a8492c 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,8 @@ On linux, with my Anki installation, this can be done by
 
 ```sh
 git clone git@github.com:AlexRiina/anki_cousins.git
-ln -s  `pwd`/src ~/.local/share/Anki2/addons21/beta_cousins
+cd anki_cousins
+make develop
 ```
 
 To avoid overwriting your main settings while working on this plugin, you can
diff --git a/setup.cfg b/setup.cfg
index 9ecba7c..74cfd46 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,2 +1,5 @@
 [flake8]
 select = F,E9
+
+[mypy-PyQt5.*]
+ignore_missing_imports = True
diff --git a/setup.py b/setup.py
index 1176f4c..22afe6e 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="anki_cousins",
-    version="0.3",
+    version="0.4",
     tests_require=["PyQt5-stubs" "anki", "black", "flake8", "isort", "mypy"],
     packages=["src"],
 )
diff --git a/src/interface.py b/src/interface.py
index 1431bb9..ecba271 100644
--- a/src/interface.py
+++ b/src/interface.py
@@ -32,7 +32,7 @@ def show_settings_dialog() -> None:
     dialog_layout = QVBoxLayout()
     dialog.setLayout(dialog_layout)
 
-    note_types = list(col.models.models.values())
+    note_types = col.models.all()
 
     append = QPushButton("Add rule")
 
@@ -108,11 +108,9 @@ def setFieldNames(note_field_input: QComboBox, new_text):
             for index in range(note_field_input.count()):
                 note_field_input.removeItem(0)
 
-            print("setting field names for", new_text)
             for note_type in note_types:
                 if note_type["name"] == new_text:
                     for field in note_type["flds"]:
-                        print("adding", field["name"])
                         note_field_input.addItem(field["name"])
 
         self._my_note_field = QComboBox()
@@ -173,7 +171,6 @@ def set_values(self, rule: MatchRule) -> None:
 
         if rule.cousin_field:
             self._other_note_field.setCurrentText(rule.cousin_field)
-            print("loaded cousin field", rule.cousin_field)
 
         if rule.comparison:
             self._matcher.setCurrentIndex(self._matcher.findData(rule.comparison))
diff --git a/src/main.py b/src/main.py
index 96d89b9..4ac8f6f 100644
--- a/src/main.py
+++ b/src/main.py
@@ -8,7 +8,6 @@
     QUEUE_TYPE_REV,
     QUEUE_TYPE_SIBLING_BURIED,
 )
-from anki.models import NoteType
 from anki.notes import Note
 from anki.sched import Scheduler
 from anki.schedv2 import Scheduler as SchedulerV2
@@ -25,7 +24,7 @@
 
 
 def buryCousins(self: SomeScheduler, card: "Card") -> None:
-    """ bury related cards that aren't marked as siblings
+    """bury related cards that aren't marked as siblings
 
     Same as Anki: always delete from current rehearsal and if bury new / bury
     review are set in deck options, bury until tomorrow
@@ -39,8 +38,9 @@ def buryCousins(self: SomeScheduler, card: "Card") -> None:
     my_note = card.note()
 
     def field_value(note, field_name) -> str:
-        note_type = self.col.models.get(note.mid)
-        field_number = self.col.models.fieldMap(note_type)[field_name][0]
+        model = self.col.models.get(note.mid)
+        assert model
+        field_number = self.col.models.fieldMap(model)[field_name][0]
 
         return note.fields[field_number]
 
@@ -188,7 +188,9 @@ def findDupes(
 
     def extract_field(model_id, field_name) -> Iterable[Tuple[int, str]]:
         # type works better in future anki
-        model: NoteType = self.models.get(model_id)
+        model = self.models.get(model_id)
+        assert model  # type is optional, but None should never come back
+
         note_ids = self.findNotes(" ".join(search_filters + [f'note:{model["name"]}']))
 
         field_ord: int = next(
diff --git a/src/settings.py b/src/settings.py
index 4524e87..85e5dce 100644
--- a/src/settings.py
+++ b/src/settings.py
@@ -68,18 +68,21 @@ def __init__(self, col):
         self.col = col
 
     def load(self) -> List[MatchRule]:
-        return [self._deserialize_rule(row) for row in self.col.conf.get(self.key, [])]
+        return [
+            self._deserialize_rule(row) for row in self.col.get_config(self.key, [])
+        ]
 
     def save(self, match_rules: Iterable[MatchRule]):
-        self.col.conf[self.key] = sorted(
-            [
-                list(self._serialize_rule(match_rule).values())
-                for match_rule in match_rules
-            ]
+        self.col.set_config(
+            self.key,
+            sorted(
+                [
+                    list(self._serialize_rule(match_rule).values())
+                    for match_rule in match_rules
+                ]
+            ),
         )
 
-        self.col.setMod()
-
     @staticmethod
     def _deserialize_rule(stored: List[Serializeable]) -> MatchRule:
         rule_dict = dict(zip(MatchRule._fields, stored))
@@ -204,7 +207,7 @@ def _contains(a: List[str], b: List[str], threshold: float):
 
 
 class _cloze_contained_by:
-    """ terms in cloze deletion a contained anywhere in b
+    """terms in cloze deletion a contained anywhere in b
 
     >>> bool(_cloze_contained_by()(['{{c1::hello}}'], ['test hello test'], 1))
     True