I used cabal install ihaskell --reorder-goals, and it built without any errors. However when I try to run it, IPython does not detect the IHaskell kernel. I get

I used cabal install ihaskell --reorder-goals, and it built without any errors. However when I try to run it, IPython does not detect the IHaskell kernel. I get this error: /usr/lib/python3.4/site-packages/IPython/kernel/manager.py:95: UserWarning: Setting kernel_cmd is deprecated, use kernel_spec to start different kernels. warnings.warn("Setting kernel_cmd is deprecated, use kernel_spec to "