*** setup configure

Configuring vty-ui-0.1...
cabal-setup: At least the following dependencies are missing:
vty ==4.0.*

*** Trying again with preferred-versions

*** setup configure

Configuring vty-ui-0.1...
cabal-setup: At least the following dependencies are missing:
base >=4 && <5 && <4, vty ==4.0.*