only lint on ubuntu

Author: blink1073

.github/workflows/build.yml

@@ -41,9 +41,13 @@ jobs:
         working-directory: jupyter-widget-testwidgets
         run: |
           python -m pytest
-          yarn run lint:check
           yarn run test
 
+      - name: Linting
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: |
+          yarn run lint:check
+
       - name: Validate extension usage
         working-directory: jupyter-widget-testwidgets
         run: |

{{cookiecutter.github_project_name}}/.github/workflows/build.yml

@@ -28,9 +28,13 @@ jobs:
         run: |
           python -m pip install --upgrade -v -e ".[test, examples, docs]"
           python -m pytest
-          yarn run lint:check
           yarn run test
 
+      - name: Linting
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: |
+          yarn run lint:check
+
       - name: Check docs can be build + links
         if: ${{ matrix.os == 'ubuntu-latest' }}
         run: |