fix darker version 1.2.3 linting

ivanov · ivanov · commit cb238a7e2034 · 2021-05-06T20:54:47.000-07:00
it looks like the current version of darker doesn't work properly if isort isn't installed - see https://github.com/akaihola/darker/pull/132/files so let's just install isort to fix it.
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
@@ -28,7 +28,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install darker
+        pip install darker isort
     - name: Lint with darker
       run: |
         darker -r 60625f241f298b5039cb2debc365db38aa7bb522 --check --diff . || (
