Traceback (most recent call last):


 "/usr/lib/python3.6/asyncio/base_events.py", line 1191, in subprocess_exec

bufsize, **kwargs)


 "/usr/lib/python3.6/asyncio/unix_events.py", line 194, in _make_subprocess_transport

self._child_watcher_callback, transp)


 "/usr/lib/python3.6/asyncio/unix_events.py", line 858, in add_child_handler

"Cannot add child handler, "
RuntimeError: Cannot add child handler, the child watcher does not have a loop attached

Traceback (most recent call last):


 "setup.py", line 488, in <module>

setup_package()


 "setup.py", line 472, in setup_package

generate_cython()


 "setup.py", line 249, in generate_cython

raise RuntimeError("Running cythonize failed!")
RuntimeError: Running cythonize failed!
