chore: improve error message for `ZeroDivisionError` in `LowessRegression` #681

	name: Check Optional Dependencies

	on:
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source code
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"
	- name: Install dependencies
	run: \|
	python -m pip install pytest setuptools wheel
	- name: Run Base Install
	run: \|
	python -m pip install -e .
	- name: Run Checks
	run: \|
	python tests/scripts/check_pip.py missing cvxpy
	python tests/scripts/check_pip.py installed scikit-learn
	python tests/scripts/import_all.py
	- name: Install cvxpy
	run: \|
	python -m pip install -e ".[cvxpy]"
	- name: Run Checks
	run: \|
	python tests/scripts/check_pip.py installed cvxpy scikit-learn
	python tests/scripts/import_all.py
	- name: Install All
	run: \|
	python -m pip install -e ".[all]"
	- name: Run Checks
	run: \|
	python tests/scripts/check_pip.py installed cvxpy formulaic scikit-learn umap-learn
	- name: Docs can Build
	run: \|
	sudo apt-get update && sudo apt-get install pandoc
	python -m pip install -e ".[docs]"
	mkdocs build

Provide feedback