Bump flask from 2.3.3 to 3.0.0 #886

	# This workflow will install Python dependencies, run tests, lint, and upload a report to codecov on selected branches
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: build


	on:
	push:
	branches: '*'
	pull_request:
	branches: '*'

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]
	steps:
	- name: Check out repository
	uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 pytest pytest-cov pytest-repeat
	cd src && pip install -r requirements.txt
	- name: Flake8 Annotator
	uses: rbialon/flake8-annotations@v1
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. CTFOJ uses 90 characters per line as the limit for Python code.
	flake8 . --count --exit-zero --ignore=F405,W503 --max-complexity=10 --max-line-length=90 --statistics
	- name: Test and generate coverage report with pytest
	run: \|
	git rm src/migrate.py
	cd src && python -m pytest -v --cov=./ --cov-report=xml --count 2
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v1
	with:
	file: src/coverage.xml
	flags: unittests
	env_vars: OS, PYTHON

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