Update rates-based statistics to be modular #11

	name: Flake8 check
	on: [pull_request]
	jobs:
	flake8_unused_imports:
	runs-on: ubuntu-latest
	steps:
	- name: Check out repository
	uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11
	- name: Install flake8
	run: pip install flake8
	- name: Checking executables for unused imports
	run: flake8 --select=F401 $(find bin -type f -name pycbc_*)
	- name: Checking modules for unused imports
	run: \|
	flake8 --select=F401 $(find pycbc \| grep '\.py$' \| grep -v -e __init__ -e 'version.py')
	- name: Checking tests for unused imports
	run: \|
	flake8 --select=F401 $(find test \| grep '\.py$' \| grep -v test_schemes)

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