[MacPorts] #59296: py37-scikit-learn @0.21.3: Build fails

[MacPorts]

#59296: py37-scikit-learn @0.21.3: Build fails
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  Reporter:  andrey-popov       |      Owner:  (none)
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.6.1
Resolution:                     |   Keywords:
      Port:  py37-scikit-learn  |
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Changes (by andrey-popov):

 * Attachment "main.log" added.

 Log from port install

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Ticket URL: <https://trac.macports.org/ticket/59296>
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