Run black check on example Notebooks

Author: martinRenou

.github/workflows/main.yml

@@ -52,9 +52,12 @@ jobs:
         jupyter nbextension list 2>&1 | grep -ie "ipycanvas/extension.*enabled" -
         jupyter labextension list 2>&1 | grep -ie "ipycanvas.*enabled.*ok" -
 
-    - name: Test flake8
+    - name: Test PEP8
       run: flake8 ipycanvas --ignore=E501,W504,W503
 
+    - name: Test PEP8 on example notebooks
+      run: jupytext examples/*.ipynb --check 'black --check {}'
+
   build:
     runs-on: ubuntu-latest
     steps:

dev-environment.yml

@@ -11,3 +11,5 @@ dependencies:
     - setuptools
     - wheel
     - twine
+    - jupytext
+    - black