SOLUTION: To install Rasa X locally on Windows 10 resolving the multidict and asyncio error messages is achieved through the following steps in a powershell or conda console:
- conda create -n “Your_Environment_Name” python=3.8
- conda activate Your_Environment_Name
- pip install pip==20.2 --user
- pip install multidict==4.7.6 --use-feature=2020-resolver
- pip install pyjwt==2.0.0 --use-feature=2020-resolver
- pip install sanic==20.9.0 --use-feature=2020-resolver
- pip3 install rasa==2.6.2
- pip3 install rasa-sdk==2.6.0
- pip install rasa-x==0.40.0 --extra-index-url https://pypi.rasa.com/simple
- SET http_proxy=http://localhost:5002
- SET https_proxy=http://localhost:5002
- rasa x
Thanks to @nik202 for this solution.