5ff363
Remove optional dependency on ipython it is just optional [1] and it is not in CS9 or RDO. [1] https://github.com/netaddr/netaddr/blob/d340feab548d948c5dc92cedcb05c69f57f9386e/netaddr/cli.py#L61 Related-to: https://review.rdoproject.org/r/q/Ia7ff8948a74bcf001ca8ff1684556ba6e555cc77