Fix syntax error

Author: DanShort12

.github/workflows/python.yml

@@ -13,15 +13,16 @@ jobs:
     strategy:
       matrix:
         python-version: [3.6, 3.7, 3.8]
-
-  build:
-    needs: setup
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
+
+  build:
+    needs: setup
+    steps:
     - name: Install plasma source
       run: |
         git submodule update --init --recursive