NoneType check for average duration property #195

	name: CI

	on:
	push:
	branches:
	- main

	pull_request:
	workflow_dispatch:

	jobs:
	test:
	name: Test ${{ matrix.python-version }}
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install tox
	python -m pip install --pre tox-gh-actions

	- name: Test
	run: tox

	lint:
	name: Lint ${{ matrix.toxenv }}
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python: ["3.12"]
	toxenv: ["black", "isort", "flake8"]

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}

	- name: Install Tox
	run: \|
	python -m pip install tox

	- name: Run ${{ matrix.toxenv }}
	run: \|
	tox
	env:
	TOXENV: ${{ matrix.toxenv }}

	coverage:
	name: Coverage
	runs-on: ubuntu-latest

	steps:
	- uses: actions/setup-python@v4
	with:
	python-version: "3.12"

	- uses: actions/checkout@v3

	- name: Install dependencies
	run: \|
	python3 -m pip install --upgrade pip
	python3 -m pip install Cython==3.0.11
	python3 -m pip install coverage
	python3 -m pip install .[test]
	env:
	TRACE_LINES: true

	- name: Test
	run: \|
	coverage run manage.py test
	coverage report -m

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v1
	with:
	fail_ci_if_error: true

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