fix attempt 2

.github/workflows/build.yml

@@ -22,10 +22,17 @@ jobs:
           node-version-file: ".nvmrc"
           cache: "yarn"
 
-      - name: Add DiskUtils (macOS)
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: Install DiskUtils (macOS)
         if: ${{ matrix.os == 'macos-latest' }}
-        run: sudo -H pip install setuptools
-        # python3 -m pip install packaging
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools
+          pip install packaging
 
       - name: Install Dependencies
         run: yarn install