Ergonomic, hermetic, user-friendly software build system for Python, Go, Java, Kotlin, Protobuf, Scala, Shell. Pants lets you fearlessly scale up your codebase!

Pants

I see
```  File "job-scheduler.pex/.bootstrap/pex/bootstrap.py", line 68, in imported_from_bootstrap
  File "//home/ubuntu/.pyenv/versions/2.7.14/lib/python2.7/email/__init__.py", line 79, in __getattr__
    __import__(self.__name__)
  File "/home/ubuntu/.pyenv/versions/2.7.14/envs/pants_1_16/lib/python2.7/site-packages/_virtualenv.py", line 112, in find_module
    if fullname in _DISTUTILS_PATCH:
TypeError: argument of type 'NoneType' is not iterable```