revert type hint for network 
revert type hint for network 

as Linting in CI (flake8) reported an error
scikit-rf/scikit-rf,temmeand/scikit-rf,scikit-rf/scikit-rf,temmeand/scikit-rf,jhillairet/scikit-rf,temmeand/scikit-rf,jhillairet/scikit-rf,jhillairet/scikit-rf