back: bicycle: return BicycleStepResults instead of Dataframes #112

	name: backend

	on:
	pull_request:
	workflow_dispatch:
	merge_group:
	types: [checks_requested]
	push:
	branches:
	- main

	jobs:
	check_backend_style:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Sort python imports
	uses: isort/isort-action@v1
	with:
	sort-paths: './backend'

	- name: Show python linter fixes
	uses: chartboost/ruff-action@v1
	with:
	src: './backend'
	args: 'check --fix --diff'

	- name: Show remaining python linter violations
	uses: chartboost/ruff-action@v1
	with:
	src: './backend'
	args: 'check --fix --show-fixes'

	- name: Format Python code
	uses: chartboost/ruff-action@v1
	with:
	src: './backend'
	args: 'format --preview --check --diff'

	build:
	runs-on: ubuntu-latest
	defaults:
	run:
	shell: bash
	working-directory: ./backend

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.11.7'

	- name: Install dependencies
	run: \|
	python -m venv lowtrip-venv
	source lowtrip-venv/bin/activate
	pip install --upgrade pip
	pip install -r requirements.txt

	- name: Build and run with Gunicorn
	run: \|
	source lowtrip-venv/bin/activate
	gunicorn app:app --bind 0.0.0.0:8000 --daemon
	sleep 10
	curl -f http://localhost:8000

	- name: Stop Gunicorn
	run: \|
	pkill gunicorn

Provide feedback