[MacPorts] #55693: Grass7 gui fails to run

[MacPorts]

#55693: Grass7 gui fails to run
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  Reporter:  dershow  |      Owner:
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  grass7   |
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Comment (by dershow):

 The problem was not actually with MacPorts.  A few years back GRASS used
 to require that GRASS_PYTHON be set, so I had that in my .bash_profile.
 But, it was pointing to an old directory so it caused the failure.  Just
 unsetting that allows it run correctly.

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Ticket URL: <https://trac.macports.org/ticket/55693#comment:1>
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