Handle empty iterator. #21

	name: Python application

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

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9.20", "3.10.15", "3.11.11", "3.12.8", "3.13.1"]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: python -m pip install --upgrade pip
	- name: Install reloading (as editable)
	run: pip install -e ".[development]"
	- name: Lint with flake8. Stop if syntax errors or undefined variables.
	run: \|
	cd reloading
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	- name: Lint with flake8. Get warnings.
	run: \|
	cd reloading
	if ! flake8 . --count --statistics; then
	echo "::warning::Flake8 Lint Warning"
	fi
	- name: Type check with pyright
	run: pyright
	- name: Test with unittest
	run: python -m unittest

Provide feedback