[MacPorts] #59337: py37-astor does not build on mac os x 10.15

[MacPorts]

#59337: py37-astor does not build on mac os x 10.15
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 Reporter:  tiperiu   |      Owner:  (none)
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.6.1
 Keywords:  catalina  |       Port:  py37-astor
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 py37-astor does not build on mac os x 10.15 (catalina) see log file
 attached.

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Ticket URL: <https://trac.macports.org/ticket/59337>
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