Segmentation fault (core dumped) when installing sixpack

[Vindexus]

When running pip install sixpack I get Segmentation fault (core dumped) at the very end.

I'm on Ubuntu 17.10

pip is 9.0.1

python is 2.7.14

Here is the full ouput:

Collecting sixpack
  Using cached https://files.pythonhosted.org/packages/92/89/92476fd218bfd6071a68e1c0111c1612ed1ae3f5326a0ccc37aeb92c70ba/Sixpack-2.7.0-py2-none-any.whl
Collecting fakeredis==0.4.0 (from sixpack)
Collecting Flask-Assets==0.12 (from sixpack)
Collecting Flask==0.10 (from sixpack)
Collecting gunicorn<=19.4.1,>=17.5 (from sixpack)
  Using cached https://files.pythonhosted.org/packages/75/f1/6c56cff1fbb205a3bf81e881910f3fe4c1287eef8b72abe7882f1e56c9fe/gunicorn-19.4.1-py2.py3-none-any.whl
Collecting Flask-SeaSurf==0.1.13 (from sixpack)
Collecting PyYAML==3.10 (from sixpack)
Collecting statsd==3.2.1 (from sixpack)
  Using cached https://files.pythonhosted.org/packages/0b/86/fa9a7687703da319f6178ac88642aa59a8e86938b43f340d9ecad2d5cd46/statsd-3.2.1-py2.py3-none-any.whl
Collecting gevent==1.1.2 (from sixpack)
  Using cached https://files.pythonhosted.org/packages/1a/23/0fec5ea162012f935613c2bec362e31f5695cb35e812cf4c21b835784098/gevent-1.1.2-cp27-cp27mu-manylinux1_x86_64.whl
Collecting closure==20121212 (from sixpack)
Collecting Markdown==2.3.1 (from sixpack)
Collecting Flask-DebugToolbar==0.7.1 (from sixpack)
Collecting Werkzeug==0.9.1 (from sixpack)
Collecting python-dateutil==1.5 (from sixpack)
Collecting python-coveralls==2.4.3 (from sixpack)
  Using cached https://files.pythonhosted.org/packages/bf/83/df3e0b464fd4da1d325187dd6fc57c14ce4bef20ad0c1afb6bd5f89fb197/python_coveralls-2.4.3-py2.py3-none-any.whl
Collecting redis==2.9.0 (from sixpack)
Collecting hiredis==0.1.4 (from sixpack)
Collecting jsmin==2.0.2-1 (from sixpack)
Collecting mock==1.0.1 (from sixpack)
Collecting Flask-Cors==2.0.1 (from sixpack)
Collecting yuicompressor==2.4.7 (from sixpack)
Collecting decorator==3.3.2 (from sixpack)
Collecting webassets>=0.11.1 (from Flask-Assets==0.12->sixpack)
Collecting itsdangerous>=0.21 (from Flask==0.10->sixpack)
  Using cached https://files.pythonhosted.org/packages/76/ae/44b03b253d6fade317f32c24d100b3b35c2239807046a4c953c7b89fa49e/itsdangerous-1.1.0-py2.py3-none-any.whl
Collecting Jinja2>=2.4 (from Flask==0.10->sixpack)
  Using cached https://files.pythonhosted.org/packages/7f/ff/ae64bacdfc95f27a016a7bed8e8686763ba4d277a78ca76f32659220a731/Jinja2-2.10-py2.py3-none-any.whl
Collecting greenlet>=0.4.9 (from gevent==1.1.2->sixpack)
  Using cached https://files.pythonhosted.org/packages/8b/6e/f2d25875713ad0885c8d3c69269697406652e6f64e1a6bd8264f7a609327/greenlet-0.4.15-cp27-cp27mu-manylinux1_x86_64.whl
Collecting Blinker (from Flask-DebugToolbar==0.7.1->sixpack)
Collecting six (from python-coveralls==2.4.3->sixpack)
  Using cached https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl
Collecting sh (from python-coveralls==2.4.3->sixpack)
  Using cached https://files.pythonhosted.org/packages/4a/22/17b22ef5b049f12080f5815c41bf94de3c229217609e469001a8f80c1b3d/sh-1.12.14-py2.py3-none-any.whl
Collecting coverage==3.7.1 (from python-coveralls==2.4.3->sixpack)
Collecting requests (from python-coveralls==2.4.3->sixpack)
  Using cached https://files.pythonhosted.org/packages/7d/e3/20f3d364d6c8e5d2353c72a67778eb189176f08e873c9900e10c0287b84b/requests-2.21.0-py2.py3-none-any.whl
Collecting MarkupSafe>=0.23 (from Jinja2>=2.4->Flask==0.10->sixpack)
  Using cached https://files.pythonhosted.org/packages/fb/40/f3adb7cf24a8012813c5edb20329eb22d5d8e2a0ecf73d21d6b85865da11/MarkupSafe-1.1.1-cp27-cp27mu-manylinux1_x86_64.whl
Collecting urllib3<1.25,>=1.21.1 (from requests->python-coveralls==2.4.3->sixpack)
  Using cached https://files.pythonhosted.org/packages/62/00/ee1d7de624db8ba7090d1226aebefab96a2c71cd5cfa7629d6ad3f61b79e/urllib3-1.24.1-py2.py3-none-any.whl
Collecting certifi>=2017.4.17 (from requests->python-coveralls==2.4.3->sixpack)
  Using cached https://files.pythonhosted.org/packages/60/75/f692a584e85b7eaba0e03827b3d51f45f571c2e793dd731e598828d380aa/certifi-2019.3.9-py2.py3-none-any.whl
Collecting chardet<3.1.0,>=3.0.2 (from requests->python-coveralls==2.4.3->sixpack)
  Using cached https://files.pythonhosted.org/packages/bc/a9/01ffebfb562e4274b6487b4bb1ddec7ca55ec7510b22e4c51f14098443b8/chardet-3.0.4-py2.py3-none-any.whl
Collecting idna<2.9,>=2.5 (from requests->python-coveralls==2.4.3->sixpack)
  Using cached https://files.pythonhosted.org/packages/14/2c/cd551d81dbe15200be1cf41cd03869a46fe7226e7450af7a6545bfc474c9/idna-2.8-py2.py3-none-any.whl
Installing collected packages: redis, fakeredis, itsdangerous, MarkupSafe, Jinja2, Werkzeug, Flask, webassets, Flask-Assets, gunicorn, Flask-SeaSurf, PyYAML, statsd, greenlet, gevent, closure, Markdown, Blinker, Flask-DebugToolbar, python-dateutil, six, sh, coverage, urllib3, certifi, chardet, idna, requests, python-coveralls, hiredis, jsmin, mock, Flask-Cors, yuicompressor, decorator, sixpack
Successfully installed Blinker-1.4 Flask-0.10 Flask-Assets-0.12 Flask-Cors-2.0.1 Flask-DebugToolbar-0.7.1 Flask-SeaSurf-0.1.13 Jinja2-2.10 Markdown-2.3.1 MarkupSafe-1.1.1 PyYAML-3.10 Werkzeug-0.9.1 certifi-2019.3.9 chardet-3.0.4 closure-20121212 coverage-3.7.1 decorator-3.3.2 fakeredis-0.4.0 gevent-1.1.2 greenlet-0.4.15 gunicorn-19.4.1 hiredis-0.1.4 idna-2.8 itsdangerous-1.1.0 jsmin-2.0.2.post1 mock-1.0.1 python-coveralls-2.4.3 python-dateutil-1.5 redis-2.9.0 requests-2.21.0 sh-1.12.14 six-1.12.0 sixpack-2.7.0 statsd-3.2.1 urllib3-1.24.1 webassets-0.12.1 yuicompressor-2.4.7
Segmentation fault (core dumped)