diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index 066d147cd..fc75c0e60 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -62,10 +62,6 @@ jobs:
         python -m pip install --upgrade pip
         pip install -r requirements.txt
         pip install -r dev-requirements.txt
-    - name: Test with pytest
-      run: |
-        pip install pytest
-        pytest
     - name: Static type check with mypy
       run: |
         pip install mypy==0.991
diff --git a/musicbingo/docgen/sizes/pagesize.py b/musicbingo/docgen/sizes/pagesize.py
index 164282a5d..cac7b7e13 100644
--- a/musicbingo/docgen/sizes/pagesize.py
+++ b/musicbingo/docgen/sizes/pagesize.py
@@ -116,6 +116,7 @@ class PageSizes(Enum):
     def width(self) -> Dimension:
         """get width (in mm)"""
         #pylint: disable=no-member
+        assert isinstance(self.value, Size)
         return Dimension(self.value.width)
 
     def height(self) -> Dimension:
diff --git a/musicbingo/generator.py b/musicbingo/generator.py
index 65e9f14ba..674a1e83e 100644
--- a/musicbingo/generator.py
+++ b/musicbingo/generator.py
@@ -484,6 +484,7 @@ def render_bingo_ticket_to_container(self, card: BingoTicket, page: int,
     def generate_track_listing(self, tracks: List[Track]) -> None:
         """generate a PDF version of the track order in the game"""
         assert len(tracks) > 0
+        assert isinstance(self.options.page_size, PageSizes)
         doc = DG.Document(self.options.page_size,
                           topMargin="0.25in",
                           bottomMargin="0.25in",
diff --git a/musicbingo/tests/test_generator.py b/musicbingo/tests/test_generator.py
index 0669e86e3..35ad25028 100644
--- a/musicbingo/tests/test_generator.py
+++ b/musicbingo/tests/test_generator.py
@@ -165,6 +165,7 @@ def check_bingo_game_pipeline(self, page_size: PageSizes, cards_per_page: int,
         mrand = MockRandom()
         mock_randbelow.side_effect = mrand.randbelow
         mock_shuffle.side_effect = mrand.shuffle
+        self.assertIsInstance(page_size, PageSizes)
         opts = Options(
             game_id='test-pipeline',
             games_dest=str(self.tmpdir),
diff --git a/musicbingo/tests/test_models.py b/musicbingo/tests/test_models.py
index 38f0c52b0..412274a7d 100644
--- a/musicbingo/tests/test_models.py
+++ b/musicbingo/tests/test_models.py
@@ -30,9 +30,9 @@
 DatabaseOptions.DEFAULT_FILENAME = None
 Options.INI_FILENAME = None
 
-class TestOptions(Options):
+class ClipOptions(Options):
     """
-    Wrapper around Options
+    Wrapper around Options that modifies clip location
     """
     def clips(self) -> Path:
         """Return directory containing song clips"""
@@ -61,7 +61,7 @@ class TestDatabaseModels(ModelsUnitTest):
     def setUp(self):
         """called before each test"""
         db_opts = DatabaseOptions(database_provider='sqlite', database_name=':memory:')
-        self.options = TestOptions(clip_directory="/home/bingo/Clips", database=db_opts)
+        self.options = ClipOptions(clip_directory="/home/bingo/Clips", database=db_opts)
 
         # self.options.exists = False
         logging.getLogger().setLevel(logging.ERROR)