Error
{#
I'd like to use ``build.error|urlize`` here, so we can have nice links.
However, this is not possible because we are using `data-bind="text: error"`
which means that Knockout.js will use the `.error` attribute to fill
the content of this tag dynamically.
#}
Problem in your project's configuration. Invalid "build.tools.python": expected one of (2.7, 3.6, 3.7, 3.8, 3.9, 3.10, pypy3.7, miniconda3-4.7, mambaforge-4.10, 3), got 3.9