[MacPorts] #64513: diffuse fails to run: AttributeError: 'NoneType' object has no attribute 'get_width'

[MacPorts]

#64513: diffuse fails to run: AttributeError: 'NoneType' object has no attribute
'get_width'
--------------------------+--------------------
  Reporter:  keithdtyler  |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  diffuse      |
--------------------------+--------------------

Comment (by jmroot):

 Do you have gtk2 installed with +x11 or +quartz? If +x11, do you have an X
 server installed?

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Ticket URL: <https://trac.macports.org/ticket/64513#comment:2>
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