Use SlowUnixInstalledBuild for onder-riscv64 worker (#477) #436

	name: Build

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Check configuration
	run: make check PIP=pip BUILDBOT=buildbot

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