I sent PR #143, checks fail because Tox requires Python 3.4:
$ tox
Traceback (most recent call last):
File "/home/travis/virtualenv/python3.3.6/bin/tox", line 7, in <module>
from tox import cmdline
File "/home/travis/virtualenv/python3.3.6/lib/python3.3/site-packages/tox/__init__.py", line 32, in <module>
from .session import cmdline # noqa
File "/home/travis/virtualenv/python3.3.6/lib/python3.3/site-packages/tox/session.py", line 18, in <module>
import pkg_resources
File "/home/travis/virtualenv/python3.3.6/lib/python3.3/site-packages/pkg_resources/__init__.py", line 90, in <module>
raise RuntimeError("Python 3.4 or later is required")
RuntimeError: Python 3.4 or later is required
I sent PR #143, checks fail because Tox requires Python 3.4:
Here: https://travis-ci.org/erikrose/parsimonious/jobs/439623666