Address mypy errors (#546) #2785

	name: Lint
	on: push

	jobs:
	lint:
	runs-on: ubuntu-latest
	env:
	DOCKER_BUILDKIT: 1
	BUILDKIT_PROGRESS: plain
	CLOUDSDK_CORE_DISABLE_PROMPTS: 1
	# used for generating API
	SM_DOCKER: samplemetadata:dev
	defaults:
	run:
	shell: bash -eo pipefail -l {0}
	steps:
	- uses: actions/checkout@main

	- uses: actions/setup-python@v2
	with:
	python-version: "3.10"

	- uses: actions/setup-java@v2
	with:
	distribution: "temurin" # See 'Supported distributions' for available options
	java-version: "17"

	- name: Setup build env
	run: \|
	set -euxo pipefail

	pip install -r requirements-dev.txt
	pip install -r requirements.txt

	# openapi-generator
	wget https://repo1.maven.org/maven2/org/openapitools/openapi-generator-cli/5.3.0/openapi-generator-cli-5.3.0.jar -O openapi-generator-cli.jar

	- name: "build image"
	run: \|
	docker build \
	--build-arg SM_ENVIRONMENT=local \
	--tag $SM_DOCKER \
	-f deploy/api/Dockerfile \
	.

	- name: Build + install packages
	run: \|
	export OPENAPI_COMMAND="java -jar openapi-generator-cli.jar"
	python regenerate_api.py
	pip install -r requirements-dev.txt
	pip install .
	mkdir .mypy_cache

	- name: pre-commit
	run: pre-commit run --all-files

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