fix python2 to python3 to make pre-commit black hook work #9

	name: CI

	on:
	push:
	branches:
	- main
	- CI
	pull_request:
	workflow_dispatch:

	jobs:
	miniconda:
	name: Miniconda ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: ["ubuntu-latest"]
	steps:
	- name: check out diffpy.srmise
	uses: actions/checkout@v3
	with:
	repository: diffpy/diffpy.srmise
	path: .
	fetch-depth: 0 # avoid shallow clone with no tags

	- name: initialize miniconda
	# this uses a marketplace action that sets up miniconda in a way that makes
	# it easier to use. I tried setting it up without this and it was a pain
	uses: conda-incubator/setup-miniconda@v2
	with:
	activate-environment: test
	# environment.yml file is needed by this action. Because I don't want
	# maintain this but rather maintain the requirements files it just has
	# basic things in it like conda and pip
	environment-file: ./environment.yml
	python-version: 3
	auto-activate-base: false

	- name: install diffpy.srmise requirements
	shell: bash -l {0}
	run: \|
	conda config --set always_yes yes --set changeps1 no
	conda config --add channels conda-forge
	conda activate test
	conda install matplotlib-base numpy scipy
	conda install pytest
	pip install .

	- name: Validate diffpy.srmise
	shell: bash -l {0}
	run: \|
	conda activate test
	coverage run -m pytest -vv -s
	coverage report -m
	codecov

Provide feedback