Resolving dependencies... Downloading ImperativeHaskell-0.2.0.0... Failed to install ImperativeHaskell-0.2.0.0 cabal: Error: some packages failed to install: ImperativeHaskell-0.2.0.0 failed while unpacking the package. The exception was: user error (File in tar archive is not in the expected directory. Expected: "ImperativeHaskell-0.2.0.0" but got the following hierarchy: [".",".","@LongLink"])