Nother one

Author: jeromekelleher

.github/workflows/tests.yml

@@ -15,8 +15,8 @@ jobs:
     name: Python packaging
     uses: tskit-dev/.github/.github/workflows/python-packaging.yml@main
     with:
-     cli-test-cmd: msp --help
      additional-apt-packages: libgsl-dev
+     cli-test-cmd: msp --help
 
   test:
     name: Python