Change to unit test workflow

.github/workflows/unit_tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
@@ -30,6 +30,7 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
         pip install -r requirements.txt
+        pip install --no-build-isolation --editable .
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names