[MacPorts] #59297: py36-astor: AttributeError: 'SpecifierSet' object has no attribute 'split'

[MacPorts]

#59297: py36-astor: AttributeError: 'SpecifierSet' object has no attribute 'split'
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  Reporter:  gjaeger   |      Owner:  emcrisostomo
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.1
Resolution:            |   Keywords:
      Port:  py-astor  |
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Changes (by cjones051073):

 * keywords:  catalina =>


Comment:

 Issue is not specific to macOS10.15,

 https://github.com/berkerpeksag/astor/issues/162

 Looks like a change in setup tools, affecting a number of projects.

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Ticket URL: <https://trac.macports.org/ticket/59297#comment:2>
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