[MacPorts] #59282: package py37-tensorflow does not build on mac os X 10.15 (catalina)

[MacPorts]

#59282: package py37-tensorflow does not build on mac os X 10.15 (catalina)
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  Reporter:  tiperiu        |      Owner:  emcrisostomo
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.6.1
Resolution:                 |   Keywords:  catalina
      Port:  py-tensorflow  |
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Comment (by tiperiu):

 I tried what @cjones051073 suggested and try sebveral time to insgtall the
 package, but now even a dependency py37-astor no longer builds. See
 attachment main2.log

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Ticket URL: <https://trac.macports.org/ticket/59282#comment:9>
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