What is needed for choosenim installation to support linux_arm (raspbian)

[markprocess]

    pi@iot200:~ $ curl https://nim-lang.org/choosenim/init.sh -sSf | sh
    choosenim-init: Error: Sorry, your platform (linux_arm) is not supported by 
choosenim.
    choosenim-init: Error: You will need to install Nim using an alternative 
method.
    choosenim-init: Error: See the following link for more info: 
https://nim-lang.org/install.html