Attempt to allow compound step methods for PyMC3

This MR follows from #256 (closed) and is an attempt to allow users to define compound steps when using PyMC3 in bilby.

@rhys.green - can you give this a try and see if it works for you?

added 1 commit

• 2de2a349 - Minor fix to setting compund step method

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@matthew-pitkin yes this MR works for what I need, Thanks !

@matthew-pitkin yes this MR works for what I need, Thanks !

Great. My tests seem to work too.

@colm.talbot @gregory.ashton @moritz.huebner @paul-lasky could you approve and merge this?

approved this merge request

approved this merge request

mentioned in commit 712192db

merged