fix: avoid mutating caller's connect args (don't accumulate user_agents) #3193

	name: Python application

	on: [pull_request, workflow_dispatch]
	permissions:
	checks: write

	jobs:
	build_backend:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	python: [3.8, 3.9, "3.10"]

	env:
	FORCE_COLOR: 1

	steps:
	- uses: actions/checkout@v4
	- name: Remove cached duckdb extensions
	run: rm -rf ~/.duckdb
	- uses: fjwillemsen/setup-nox2@v3.0.0
	- run: python -m pip install github-action-utils uv -U
	- name: Lint with flake8
	run: \|
	pip install flake8
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: List nox envs
	run: nox -l
	- run: nox --pythons '${{ matrix.python }}'
	- name: Publish Unit Test Results
	uses: EnricoMi/publish-unit-test-result-action@v2
	if: always()
	with:
	junit_files: results.xml
	comment_mode: off
	check_name: "Test Results - ${{ join(matrix.*, ', ') }}"
	- uses: codecov/codecov-action@v5.0.7
	env:
	PYTHON: ${{matrix.python}}
	BLEEDING_EDGE: ${{matrix.bleeding_edge}}
	with:
	files: ./coverage.xml
	token: ${{ secrets.CODECOV_TOKEN }}
	env_vars: PYTHON # ,BLEEDING_EDGE # set from matrix
	fail_ci_if_error: true
	verbose: true

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