One more whitespace fix

Author: bsipocz

.github/workflows/ci_tests_run_notebooks.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548  # v6.1.0
         with:
-            python-version: ${{ matrix.python-version }}
+          python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: python -m pip install --upgrade tox