pip._vendor.pep517.wrappers.BackendUnavailable: Traceback (most recent call last):


 "/Users/pasha/py36/lib/python3.6/site-packages/pip/_vendor/pep517/_in_process.py", line 65, in _build_backend

obj = import_module(mod_path)


 "/Users/pasha/py36/lib/python3.6/importlib/__init__.py", line 126, in import_module

return _bootstrap._gcd_import(name[level:], package, level)


 "<frozen importlib._bootstrap>", line 994, in _gcd_import


 "<frozen importlib._bootstrap>", line 971, in _find_and_load


 "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'ext'

Traceback (most recent call last):


 "setup.py", line 2, in <module>

from setuptools import setup, Extension
ModuleNotFoundError: No module named 'setuptools'
