Traceback (most recent call last):

 "synth.py", line 64, in <module>
s.shell.run(["nox", "-s", "blacken"], hide_output=False)

 "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/synthtool/shell.py", line 33, in run
encoding="utf-8",

 "/home/kbuilder/.pyenv/versions/3.6.1/lib/python3.6/subprocess.py", line 403, in run
with Popen(*popenargs, **kwargs) as process:

 "/home/kbuilder/.pyenv/versions/3.6.1/lib/python3.6/subprocess.py", line 707, in __init__
restore_signals, start_new_session)

 "/home/kbuilder/.pyenv/versions/3.6.1/lib/python3.6/subprocess.py", line 1326, in _execute_child
raise child_exception_type(errno_num, err_msg)
NotFoundError: [Errno 2] No such file or directory: 'nox'

LLVM version... Traceback (most recent call last):


 "/tmp/pip-install-bc9u598b/llvmlite/ffi/build.py", line 105, in main_posix

out = subprocess.check_output([llvm_config, '--version'])


 "/usr/lib/python3.7/subprocess.py", line 395, in check_output

**kwargs).stdout


 "/usr/lib/python3.7/subprocess.py", line 472, in run

with Popen(*popenargs, **kwargs) as process:


 "/usr/lib/python3.7/subprocess.py", line 775, in __init__

restore_signals, start_new_session)


 "/usr/lib/python3.7/subprocess.py", line 1522, in _execute_child

raise child_exception_type(errno_num, err_msg, err_filename)


NotFoundError: [Errno 2] No such file or directory: 'llvm-config': 'llvm-config'
