Maya 2020 Plugin Error Windows

[jin-raii]

In the console of maya Output Window i get this error

Describe the bug
Failed to execute userSetup.py
Traceback (most recent call last):
File "E:\opencue\render\venv\Lib\site-packages\cuesubmit-0.22.14-py3.7.egg\plugins\maya\userSetup.py", line 4, in
import CueMayaSubmit
File "E:\opencue\render\venv\Lib\site-packages\cuesubmit-0.22.14-py3.7.egg\plugins\maya\CueMayaSubmit.py", line 32, in
from cuesubmit import Constants
File "E:\opencue\render\venv\Lib\site-packages\cuesubmit-0.22.14-py3.7.egg\cuesubmit\Constants.py", line 26, in
from cuesubmit import Config
File "E:\opencue\render\venv\Lib\site-packages\cuesubmit-0.22.14-py3.7.egg\cuesubmit\Config.py", line 28, in
import yaml
File "E:/opencue/render/venv/Lib/site-packages\yaml_init_.py", line 374
class YAMLObject(metaclass=YAMLObjectMetaclass):
^
SyntaxError: invalid syntax

To Reproduce
Steps to reproduce the behavior:

1. followed opencue documentation to install maya plugin

Expected behavior
OpenCue shelf appear in maya 2020 toolbar

Version Number
Python : 3.7
Maya : 2020 (uses python 2.7)
OpenCue : v0.22.14

Maya.env

Point Maya to the CueSubmit install.

PYTHONPATH=$PYTHONPATH;E:\opencue\render\venv\Lib\site-packages\cuesubmit-0.22.14-py3.7.egg/plugins/maya
XBMLANGPATH=$XBMLANGPATH;E:/opencuerender/venv/Lib/site-packages/cuesubmit-0.22.14-py3.7.egg/plugins/maya

Help OpenCue find the required library dependencies.

CUE_PYTHONPATH=E:\opencue\render\venv/Lib/site-packages

The hostname of your Cuebot instance.

CUEBOT_HOSTS=localhost

any guidance would be appreciated.
Thank you.