Fix session validation and update Python version support #22

	name: CI

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	lint:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.13"
	cache: "pip"
	cache-dependency-path: "setup.py"
	- name: lint
	run: make lint

	fmt:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.13"
	cache: "pip"
	cache-dependency-path: "setup.py"
	- name: fmtcheck
	run: make fmtcheck

	build:
	runs-on: ubuntu-24.04
	strategy:
	matrix:
	python-version: [3.9, "3.10", "3.11", "3.12", "3.13"]

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: "pip"
	cache-dependency-path: "setup.py"

	- name: Upgrade pip and virtualenv to latest
	run: pip install --upgrade pip virtualenv

	- name: Test with pytest
	run: make test

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