add quotes

Author: chinandrew

.github/workflows/python-ci.yml

@@ -35,7 +35,7 @@ jobs:
       run: |
         make install
     - name: Lint
-      if: ${{ matrix.packages }} != changehc && ${{ matrix.packages }} != claims_hosp && ${{ matrix.packages }} != quidel && ${{ matrix.packages }} != usafacts
+      if: ${{ matrix.packages }} != 'changehc' && ${{ matrix.packages }} != 'claims_hosp' && ${{ matrix.packages }} != 'quidel' && ${{ matrix.packages }} != 'usafacts'
       run: |
         make lint
     - name: Test