Bump pip from 22.3.1 to 23.3 #24

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Python package

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

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.8", "3.9", "3.10"]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .
	python -m pip install -r requirements_dev.txt
	- name: Typecheck with mypy
	run: \|
	mypy --config-file mypy.ini nelson_siegel_svensson tests
	- name: Lint with flake8
	run: \|
	flake8 nelson_siegel_svensson tests
	- name: Test with unittes
	run: \|
	python -m unittest discover . -v

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