Fix branch name

sqrrrl · sqrrrl · commit 33bc34cb7a9c · 2021-12-06T10:42:21.000-07:00
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Fetch and Diff PR with base from which it was cloned
         if: ${{ github.event.pull_request.base.sha }}
         run: |
-          git fetch origin main "${{ github.event.pull_request.base.sha }}"
+          git fetch origin master "${{ github.event.pull_request.base.sha }}"
           git diff  --diff-filter=ACM --name-only "${{ github.event.pull_request.base.sha }}" "${{ github.sha }}" > "${HOME}/changed_files.txt"
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
