Black in CI

Author: jseabold

.github/workflows/python-package.yml

@@ -34,6 +34,9 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings.
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=89 --statistics
+    - name: Black
+      run: |
+        black --check .
     - name: Test with pytest
       run: |
         python setup.py install

dev-requirements.txt

@@ -1,3 +1,4 @@
+black
 flake8
 pytest
 pytest-cov