
Traceback (most recent call last):


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


 "/private/var/folders/vx/4_flzs5x2tvdhdtdm0ynz6bxgmj9tg/T/pip-install-7vg803zd/pandas/setup.py", line 438, in <module>

if python_target < '10.9' and current_system >= '10.9':


 "/Users/gherman/Downloads/pypy3.6-v7.0.0-osx64/lib-python/3/distutils/version.py", line 52, in __lt__

c = self._cmp(other)


 "/Users/gherman/Downloads/pypy3.6-v7.0.0-osx64/lib-python/3/distutils/version.py", line 335, in _cmp

if self.version == other.version:

AttributeError: 'LooseVersion' object has no attribute 'version'

Traceback (most recent call last):


 "/home/andriy/miniconda3/envs/muzero/lib/python3.7/site-packages/ray/actor.py", line 652, in __del__
AttributeError: 'NoneType' object has no attribute 'get_global_worker'
