update

Author: Tom Softreck

.github/workflows/tests.yml

@@ -32,6 +32,8 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
+        # Only enable poetry cache if lock file exists
+        cache: ${{ fromJSON('{"poetry": "**/poetry.lock"}')[github.workspace + '/poetry.lock'] ? 'poetry' : 'pip' }}
 
     - name: Debug system info
       run: |