some lints

Makefile

@@ -52,7 +52,6 @@ flake8:
 	@echo "Running flake8 lint..."
 	@python -m flake8 $(FLAKE8_OPTIONS) $(CHECKED_IN_PYTHON_FILES)
 
-
 .PHONY: clean-test
 clean-test:
 	find storey -name '*.pyc' -exec rm {} \;
@@ -81,7 +80,6 @@ integration:clean-test
 	find integration -name '*.pyc' -exec rm {} \;
 	python -m pytest -rf -v integration
 
-
 .PHONY: integration-coverage
 integration-coverage:clean-test
 	find integration -name '*.pyc' -exec rm {} \;
@@ -115,7 +113,6 @@ docs: # Build html docs
 	rm -f docs/external/*.md
 	cd docs && make html
 
-
 .PHONY: coverage-combine
 coverage-combine:
 	rm -f coverage_reports/combined.coverage