tightened OpenFrame.make_portfolio() method to not allow mixed series… #743

	name: checks

	on:
	workflow_dispatch:
	push:
	branches:
	- "*" # matches every branch that doesn't contain a '/'
	- "/" # matches every branch containing a single '/'
	- "**" # matches every branch

	jobs:
	run_checks:
	runs-on: ubuntu-latest
	defaults:
	run:
	shell: bash

	steps:
	- name: Check out GitHub repository ${{ github.repository }}
	uses: actions/checkout@v4

	- name: Install Poetry
	run: pip install poetry==1.8.3

	- name: Set up Python on ${{ runner.os }}
	uses: actions/setup-python@v5
	id: setup_python
	with:
	python-version: '3.10'
	cache: 'poetry'

	- name: Install dependencies on Python ${{ steps.setup_python.outputs.python-version }}
	run: poetry install --with dev

	- name: Check and fix with Ruff
	run: poetry run ruff check ./tests/.py ./openseries/.py --fix --exit-non-zero-on-fix

	- name: Type check with Mypy
	run: poetry run mypy .

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