Minor addition to make clean
@@ -48,7 +48,7 @@ help:
@echo ''
clean:
- rm -rf build dist docs/_build docs/api htmlcov MANIFEST gammapy.egg-info .coverage
+ rm -rf build dist docs/_build docs/api htmlcov MANIFEST gammapy.egg-info .coverage .cache
find . -name "*.pyc" -exec rm {} \;
find . -name "*.so" -exec rm {} \;
find gammapy -name '*.c' -exec rm {} \;
