fix macos check (#632)

Author: blink1073

.github/workflows/python-macos.yml

@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "pypy-3.7-v7.3.3"]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "pypy-3.7"]
     steps:
       - name: Checkout
         uses: actions/checkout@v2