Resolving dependencies...
cabal: Could not resolve dependencies:
trying: geni-gui-0.24.1 (user goal)
trying: base-4.8.1.0/installed-4f7... (dependency of geni-gui-0.24.1)
next goal: graphviz (dependency of geni-gui-0.24.1)
rejecting: graphviz-2999.18.0.1, 2999.18.0.0, 2999.17.0.2, 2999.17.0.1,
2999.17.0.0 (conflict: geni-gui => graphviz>=2999.16 && <2999.17)
trying: graphviz-2999.16.0.0
next goal: polyparse (dependency of graphviz-2999.16.0.0)
rejecting: polyparse-1.11, 1.10, 1.9 (conflict: graphviz => polyparse>=1.7 &&
<1.9)
rejecting: polyparse-1.8, 1.7 (conflict: base==4.8.1.0/installed-4f7...,
polyparse => base<4.8)
rejecting: polyparse-1.6, 1.5, 1.4.1, 1.4, 1.3, 1.2, 1.1, 1.0 (conflict:
graphviz => polyparse>=1.7 && <1.9)
Dependency tree exhaustively searched.