Fix installation in earlier Python

Update setuptools before installing

.github/workflows/build.yml

@@ -55,6 +55,7 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
         python -m pip install --upgrade pytest
+        python -m pip install --upgrade setuptools
         python -m pip install -r dev-requirements.txt
         python setup.py install
     - name: Lint with flake8