tox 3+ dropped support of Python 3.3.
- env: TOXENV=pypy
install:
- - travis_retry pip install --upgrade pip setuptools tox ppu
+ - travis_retry pip install --upgrade pip setuptools "tox <= 2.9.1" ppu
script:
- tox
- "python --version"
- "python -c \"import struct; print(struct.calcsize('P') * 8)\""
- "python -m pip install --upgrade pip setuptools"
- - "pip install --upgrade tox ppu"
+ - "pip install --upgrade \"tox <= 2.9.1\" ppu"
- "pip --version"
# No build step - we don't have C extensions
-tox >= 1.8
+tox >= 2.0, <= 2.9.1