Merge pull request #14 from uranusjr/cache-key-python-impl

Use python -c to get the interpreter path hash

README.md

@@ -25,7 +25,7 @@ jobs:
     - uses: actions/checkout@v1
     - uses: actions/setup-python@v1
     - name: set PY
-      run: echo "::set-env name=PY::$((python --version --version && which python) | sha256sum | cut -d' ' -f1)"
+      run: echo "::set-env name=PY::$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')"
     - uses: actions/cache@v1
       with:
         path: ~/.cache/pre-commit