- "SET TOXPYTHON=%PYTHON_HOME%\\python.exe"
- "python --version"
- "python -c \"import struct; print(struct.calcsize('P') * 8)\""
- - "python -m pip install --upgrade pip setuptools"
- - "pip install --upgrade tox ppu"
+ - "python -m pip install --upgrade \"pip < 19.1\" setuptools"
+ - "pip install --upgrade \"tox < 3.1\" ppu"
- "pip --version"
# No build step - we don't have C extensions