🐛 add setuptools

.github/workflows/pypi.yml

@@ -14,6 +14,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
       - uses: actions/cache@v2
         with:
           path: dist
@@ -22,6 +28,8 @@ jobs:
             sdist-${{ matrix.platform }}-${{ hashFiles('**/setup.py') }}
             sdist-${{ matrix.platform }}
             sdist-
+      - name: Install dependencies
+        run: pip install --upgrade pip setuptools twine
       - if: ${{ matrix.platform }} == 'cpu'
         name: Package CPU distribution
         run: make build