diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index a5c4850fa..323d9446a 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -13,4 +13,5 @@ jobs:
       - uses: actions/checkout@v2
       - uses: psf/black@stable
         with:
+          options: '--exclude="docs/01python/07for/_samples/sum_1to100.ipynb"'
           jupyter: true