Fix issubtype for python<=3.10 #160

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- '*'

	jobs:
	tests:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	python-version:
	- '3.8'
	- '3.9'
	- '3.10'
	- '3.11'
	- '3.12'
	- '3.13'

	steps:
	- uses: actions/checkout@v4

	- name: Install poetry
	run: pipx install poetry

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'poetry'

	- name: Install dependencies
	run: poetry install

	- name: Lint with pysen
	run: make lint

	- name: Test with pytest
	run: make test

Provide feedback