>       assert expected_facet_results == facet_results
E       AssertionError: assert {'city': [{'c...alue': 'MI'}]} == {'city': [{'co...alue': 'MI'}]}
E         Omitting 1 identical items, use -vv to show
E         Differing items:
E         {'city': [{'count': 4, 'toggle_url': '_facet=state&_facet=city&state=MI&city=Detroit', 'value': 'Detroit'}]} != {'city': [{'count': 4, 'toggle_url': 'state=MI&_facet=state&_facet=city&city=Detroit', 'value': 'Detroit'}]}
E         Use -v to get the full diff

# Install pyenv using homebrew (turns out I already had it)
brew install pyenv
# Check which versions of Python I have installed
pyenv versions
# Install Python 3.5.0
pyenv install 3.5.0
# Figure out where pyenv has been installing things
pyenv root
# Check I can run my newly installed Python 3.5.0
/Users/simonw/.pyenv/versions/3.5.0/bin/python
# Use it to create a new virtualenv
/Users/simonw/.pyenv/versions/3.5.0/bin/python -mvenv venv35
source venv35/bin/activate
# Install datasette into that virtualenv
python setup.py install

  File "/Users/simonw/Dropbox/Development/datasette/venv35/lib/python3.5/site-packages/sanic-0.7.0-py3.5.egg/sanic/testing.py", line 16, in _local_request
    import aiohttp
  File "/Users/simonw/Dropbox/Development/datasette/.eggs/aiohttp-2.3.2-py3.5-macosx-10.13-x86_64.egg/aiohttp/__init__.py", line 6, in <module>
    from .client import *  # noqa
  File "/Users/simonw/Dropbox/Development/datasette/.eggs/aiohttp-2.3.2-py3.5-macosx-10.13-x86_64.egg/aiohttp/client.py", line 13, in <module>
    from yarl import URL
  File "/Users/simonw/Dropbox/Development/datasette/.eggs/yarl-1.2.4-py3.5-macosx-10.13-x86_64.egg/yarl/__init__.py", line 11, in <module>
    from .quoting import _Quoter, _Unquoter
  File "/Users/simonw/Dropbox/Development/datasette/.eggs/yarl-1.2.4-py3.5-macosx-10.13-x86_64.egg/yarl/quoting.py", line 3, in <module>
    from typing import Optional, TYPE_CHECKING, cast
ImportError: cannot import name 'TYPE_CHECKING'

pyenv install 3.5.2
rm -rf venv35
/Users/simonw/.pyenv/versions/3.5.2/bin/python -mvenv venv35
source venv35/bin/activate
# Not sure why I need this in my local environment but I do:
pip install datasette_plugin_demos
python setup.py test

venv35/bin/pip install pytest beautifulsoup4 aiohttp
venv35/bin/pytest tests/test_utils.py