fix(python): Fix return type of `Series.dt.add_business_days` #35

	name: Test Pyodide

	on:
	pull_request:
	paths:
	- Cargo.lock
	- py-polars/**
	- docs/source/src/python/**
	- crates/**
	- .github/workflows/test-pyodide.yml
	push:
	branches:
	- main
	paths:
	- Cargo.lock
	- crates/**
	- docs/source/src/python/**
	- py-polars/**
	- .github/workflows/test-pyodide.yml

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	RUSTFLAGS: -C link-self-contained=no -C debuginfo=0
	CFLAGS: -fPIC

	defaults:
	run:
	shell: bash

	jobs:
	test-pyodide:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Disable incompatible features
	env:
	FEATURES: parquet\|async\|json\|extract_jsonpath\|cloud\|polars_cloud\|tokio\|clipboard\|decompress\|new_streaming
	run: \|
	sed -i 's/^ "json",$/ "serde_json",/' crates/polars-python/Cargo.toml
	sed -E -i "/^ \"(${FEATURES})\",$/d" crates/polars-python/Cargo.toml py-polars/Cargo.toml

	- name: Setup emsdk
	uses: mymindstorm/setup-emsdk@v14
	with:
	# This should match the exact version of Emscripten used by Pyodide
	version: 3.1.58

	- name: Install LLVM
	# This should match the major version of LLVM expected by Emscripten
	run: \|
	wget https://apt.llvm.org/llvm.sh
	chmod +x llvm.sh
	sudo ./llvm.sh 19
	echo "EM_LLVM_ROOT=/usr/lib/llvm-19/bin" >> $GITHUB_ENV

	- name: Build wheel
	uses: PyO3/maturin-action@v1
	with:
	command: build
	target: wasm32-unknown-emscripten
	args: >
	--profile dev
	--manifest-path py-polars/Cargo.toml
	--interpreter python3.10
	maturin-version: 1.7.4

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