Partial changes for VCF Character S->U #2629

	name: Windows

	on:
	push:
	pull_request:
	schedule:
	# Run at the end of every day
	- cron: "0 0 * * *"

	jobs:
	win_build:
	# Scheduled runs only on the origin org
	if: (github.event_name == 'schedule' && github.repository_owner == 'pystatgen') \|\| (github.event_name != 'schedule')
	runs-on: windows-latest
	strategy:
	matrix:
	python-version: ["3.9"]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Miniconda with Python version ${{ matrix.python-version }}
	uses: conda-incubator/setup-miniconda@v2
	with:
	auto-update-conda: true
	channels: conda-forge,numba
	miniconda-version: "latest"
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	# activate conda
	shell: bash -l {0}
	# conda can't install all dev tools, so we need to split it between conda and pip
	run: \|
	conda install --file requirements.txt msprime
	pip install -r requirements-dev.txt
	- name: Test with pytest
	# activate conda
	shell: bash -l {0}
	# To avoid: 'UserWarning: KMeans is known to have a memory leak on Windows with MKL, when there are less chunks than available threads. You can avoid it by setting the environment variable OMP_NUM_THREADS=1'
	env:
	OMP_NUM_THREADS: 1
	run: \|
	pytest -v

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