pytest needs the package under test to be installed

Author: Dominik Neise

.circleci/config.yml

@@ -5,6 +5,7 @@ my-steps: &steps
   - run: sudo pip install -r requirements.txt
   - run: sudo pip install flake8 pytest
   - run: python --version ; pip --version ; pwd ; ls -l
+  - run: pip install --user .
   # stop the build if there are Python syntax errors or undefined names
   - run: flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
   # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide