On Mon, March 2, 2015 18:36, Gideon Simpson wrote: > py27-ipython @3.0.0_0+notebook+parallel+scientific > > Ok, installing mistune through pip solved the problem. Version 3.0 also > requires py-jsonschema, which is not a current dependency. -gideon Good find! https://trac.macports.org/ticket/47004 I'm adding your details to this ticket.