Remove pycache files while cleaning

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

Makefile

@@ -42,6 +42,8 @@ check:
 clean:
 	@echo "-> Clean the Python env"
 	./configure --clean
+	rm -rf .venv/ .*cache/ *.egg-info/ build/ dist/
+	find . -type f -name '*.py[co]' -delete -o -type d -name __pycache__ -delete
 
 test:
 	@echo "-> Run the test suite"