Unable to install LMS on Frappe v15 site

[upcc-jesse]

Describe the bug
According to #737 I should be able to "use the main branch" of LMS with Frappe v15. There were no specific instructions in that post, so I tried to install it then switch the branch to main for LMS - but I can't even get past building LMS. I feel like this is probably just user error on my part, but I don't know how to proceed.

For reference:

$bench version
erpnext 15.41.1
frappe 15.47.1
wiki 2.0.0

To Reproduce
Steps to reproduce the behavior:

1. I ran bench get-app lms which downloaded and tried to build it, but failed. I expected this since I'm supposed to be on the develop branch for Frappe and I'm not. Output: https://pastebin.com/MtBwkcnx
2. I then tried bench switch-to-branch main lms --upgrade (this was just a guess). Output: https://pastebin.com/fXDriGQ5
3. I then tried bench build --app lms. It errored out. Output: https://pastebin.com/Eqy7TqYn

Expected behavior
LMS will be compatible with Frappe v15 on the main branch and install without issue.

Screenshots
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Additional context
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