pygeoif

9141de92 - Format code with black and isort

Format code with black and isort This commit fixes the style issues introduced in 75ad3d4 according to the output from black and isort. Details: https://deepsource.io/gh/cleder/pygeoif/transform/0c1abf1c-8be8-4b7d-b57b-69f54cf1777b/