
Traceback (most recent call last):

 "<string>", line 1, in <module>

 "/tmp/pip-build-nYlRoP/cryptography/setup.py", line 334, in <module>
**keywords_with_side_effects(sys.argv)

 "/usr/lib/python2.7/distutils/core.py", line 111, in setup
_setup_distribution = dist = klass(attrs)

 "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 266, in __init__
_Distribution.__init__(self,attrs)

 "/usr/lib/python2.7/distutils/dist.py", line 287, in __init__
self.finalize_options()

 "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line 301, in finalize_options
ep.load()(self, ep.name, value)

 "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2190, in load
['__name__'])
ImportError: No module named setuptools_ext

Traceback (most recent call last):


 "/usr/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 207, in <module>

main()


 "/usr/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 197, in main

json_out['return_val'] = hook(**hook_input['kwargs'])


 "/usr/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 54, in get_requires_for_build_wheel

return hook(config_settings)


 "/tmp/pip-build-env-_krb5E/overlay/lib/python2.7/site-packages/setuptools/build_meta.py", line 115, in get_requires_for_build_wheel

return _get_build_requires(config_settings, requirements=['wheel'])


 "/tmp/pip-build-env-_krb5E/overlay/lib/python2.7/site-packages/setuptools/build_meta.py", line 101, in _get_build_requires

_run_setup()


 "/tmp/pip-build-env-_krb5E/overlay/lib/python2.7/site-packages/setuptools/build_meta.py", line 85, in _run_setup

exec(compile(code, __file__, 'exec'), locals())


 "setup.py", line 47, in <module>

from build import *


 "/usr/local/lib/python2.7/site-packages/pip/_vendor/pep517/build.py", line 7, in <module>

from pip._vendor import pytoml

ImportError: No module named pip._vendor
