[MacPorts] #63549: py37-pyqt5 @5.15.4_2: Failed to build py37-pyqt5

[MacPorts]

#63549: py37-pyqt5 @5.15.4_2: Failed to build py37-pyqt5
-------------------------+------------------------
  Reporter:  mklengel    |      Owner:  reneeotten
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.1
Resolution:              |   Keywords:
      Port:  py37-pyqt5  |
-------------------------+------------------------

Comment (by michaelld):

 Force deactivating `py37-sip4` did the trick for me.

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Ticket URL: <https://trac.macports.org/ticket/63549#comment:9>
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