[MacPorts] #55148: update pymol to 1.9.0.0 release and support python36 variant

[MacPorts]

#55148: update pymol to 1.9.0.0 release and support python36 variant
-----------------------+-------------------
 Reporter:  jwhowarth  |      Owner:
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.4.2
 Keywords:  science    |       Port:  pymol
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 The attached Portfile.diff updates the pymol package to the 1.9.0.0
 release and adds support for a python36 variant.

 Note that ticket #55147 to update py-pmw to allow 36 in python.versions
 needs to be committed first.

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Ticket URL: <https://trac.macports.org/ticket/55148>
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