Fix tests (#17)

.github/workflows/build.yml

@@ -1,34 +1,27 @@
 name: Build
-
 on:
   push:
     branches: [ master ]
   pull_request:
     branches: [ master ]
-
 jobs:
   unit-tests:
     runs-on: ubuntu-latest
     strategy:
-      fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
-
+        python-version: [ "3.10", "3.11", "3.12", "3.13" ]
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Initialize and activate virtual environment
-      run: |
-        python -m venv venv
-        source venv/bin/activate
-    - name: Install test dependencies
-      run: |
-        python -m pip install --upgrade pip
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-        if [ -f requirements-test.txt ]; then pip install -r requirements-test.txt; fi
-    - name: Test with pytest
-      run: |
-        pytest tests
+      - uses: actions/checkout@v3
+      - name: Set up Poetry
+        run: |
+          pipx install poetry
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Initialize and activate virtual environment
+        run: |
+          poetry install
+      - name: Test with pytest
+        run: |
+          poetry run pytest tests

tests/test_models.py

@@ -165,7 +165,7 @@ def check_type_hints(obj):
 
         try:
             if isinstance(obj_value, type_hint):
-                if type_hint not in primitives:
+                if type_hint not in primitives and type(None) not in get_args(type_hint):
                     check_type_hints(obj_value)
             else:
                 raise TypeHintError(