Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: shuffle (user goal)
rejecting: shuffle-0.1.3.3, 0.1.3.2, 0.1.3.1 (global constraint requires
==0.1.3.0)
rejecting: shuffle-0.1.3.0 (conflict: shuffle => shuffle==0.1.2.0)
rejecting: shuffle-0.1.2.0, 0.1.1.0, 0.1.0.2, 0.1.0.1, 0.1.0.0 (global
constraint requires ==0.1.3.0)
Dependency tree exhaustively searched.