Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: pyfi (user goal)
rejecting: pyfi-0.4.0.4 (conflict: requires pkg-config package python-any, not
found in the pkg-config database)
rejecting: pyfi-0.4.0.3, pyfi-0.4.0.2 (constraint from user target requires
==0.4.0.4)
Dependency tree exhaustively searched.