Show diff when black fails (#596)

emontnemery · web-flow · commit 40f8fd1228c9 · 2022-02-28T10:02:37.000+01:00
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -31,4 +31,4 @@ jobs:
           pylint examples pychromecast
       - name: Check formatting with black
         run: |
-          black examples pychromecast --check
+          black examples pychromecast --check --diff
