If pip install tarbell
fails with an error that looks like this:
Command "/home/benlk/.virtualenvs/gene-wolfe/bin/python -c "import setuptools,
tokenize;__file__='/tmp/pip-build-pJSsCN/gnureadline/setup.py';exec(compile(getattr(
tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))"
install --record /tmp/pip-WluX7C-record/install-record.txt --single-version-externally-managed
--compile --install-headers /home/benlk/.virtualenvs/gene-wolfe/include/site/python2.7"
failed with error code 1 in /tmp/pip-build-pJSsCN/gnureadline
You probably don't have the development headers for linbncurses