[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
-----------------------+--------------------------
  Reporter:  tiperiu   |      Owner:  emcrisostomo
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.1
Resolution:            |   Keywords:  catalina
      Port:  py-astor  |
-----------------------+--------------------------
Changes (by mf2k):

 * owner:  (none) => emcrisostomo
 * status:  new => assigned
 * port:  py37-astor => py-astor


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Ticket URL: <https://trac.macports.org/ticket/59337#comment:2>
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