This prevents loading the `sphinx_multiversion` module from old branches instead of the latest one (due to Python's behaviour of preferring modules from the CWD).
@@ -91,6 +91,6 @@ before_script:
script:
- mkdir html
- git fetch --all
-- sphinx-multiversion -W docs html
+- python -I -m sphinx_multiversion -W docs html
- python setup.py build sdist bdist_wheel