cabal: cannot configure visual-graphrewrite-0.4.0.1. It requires base
>=4.1.0.0 && <4.2
For the dependency on base >=4.1.0.0 && <4.2 there are these packages:
base-4.1.0.0. However none of them are available.
base-4.1.0.0 was excluded because of the top level dependency base -any