docs: fix refs to precompile source retention flag/attr in precompiling docs #2416

	name: mypy

	on:
	push:
	branches:
	- main
	pull_request:
	types:
	- opened
	- synchronize

	defaults:
	run:
	shell: bash

	jobs:
	ci:
	runs-on: ubuntu-20.04
	steps:
	# Checkout the code
	- uses: actions/checkout@v4
	- uses: jpetrucciani/mypy-check@master
	with:
	requirements: 1.6.0
	python_version: 3.8
	path: 'python/runfiles'
	- uses: jpetrucciani/mypy-check@master
	with:
	requirements: 1.6.0
	python_version: 3.8
	path: 'tests/runfiles'

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