Specify python version when testing cli

Author: garryod

.github/workflows/code.yml

@@ -25,7 +25,13 @@ jobs:
           pipenv-run: lint
 
   wheel:
-    runs-on: "ubuntu-latest"
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest"]
+        python: ["3.7"]
+
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
         with:
@@ -46,10 +52,15 @@ jobs:
           name: dist
           path: dist/*
 
+      - name: Install minimum python version
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python }}
+
       - name: Install wheel in a venv and check cli works
         # ${GITHUB_REPOSITORY##*/} is the repo name without org
         # Replace this with the cli command if different to the repo name
-        run: pipx run --spec dist/*.whl ${GITHUB_REPOSITORY##*/} --version
+        run: pipx run --python $(which python${{ matrix.python }}) --spec dist/*.whl ${GITHUB_REPOSITORY##*/} --version
 
   test:
     strategy: