Install setuptools

[skip travis]

Apparently setuptools is not installed by default.

Author: rouilj

.github/workflows/ci-test.yml

@@ -190,6 +190,9 @@ jobs:
       - name: Install pytest and other packages needed for running tests
         run: pip install flake8 mock pytest pytest-cov requests
 
+      - name: Install build tools: setuptools
+        run: pip install setuptools
+
       - name: Test build roundup and install locale so lang tests work.
         run: |
           sudo apt-get install gettext