eslint/detekt: Clean up type hints and lint warnings #800

	name: Backend Unit Tests

	on:
	pull_request:
	paths:
	- "backend/**"
	- ".github/workflows/test_backend.yml"

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # actions/[email protected]
	- uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # actions/[email protected]
	with:
	python-version: "3.9"
	cache: pipenv
	cache-dependency-path: backend/Pipfile.lock
	- uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # hashicorp/[email protected]
	- uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # actions/[email protected]
	with:
	# Tool versions are defined in the Makefile.
	key: backend-unit-test-tools-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('backend/Makefile') }}
	path: backend/.temp
	- name: Install Test Dependencies
	run: \|
	pip install --upgrade pipenv wheel
	- name: Run code style tests
	run: make -C backend style-test ENV=example
	- name: Run backend tests
	run: make -C backend unit-test ENV=example

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