[MacPorts] #57357: Tkinter test fails with macos Mojave

[MacPorts]

#57357: Tkinter test fails with macos Mojave
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 Reporter:  vsuorant    |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:  tk tkinter  |       Port:  tk tkinter
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 This fails only on OSX 10.14 (Mojave). The same configuration works on OSX
 10.13 with both systems having Xcode10 installed

 I installed (compiled from source):
 --
 gcc5
 python27 (2.7.15)
 tk at 8.6.8_4+quartz
 --

 Running:

 import Tkinter
 Tkinter._test()

 brings up an all black window without buttons or text on Mojave. The same
 test works fine on High Sierra.

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Ticket URL: <https://trac.macports.org/ticket/57357>
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