[MacPorts] #71513: py312-mypy build error: TypeError: expected string or bytes-like object, got 'NoneType'

[MacPorts]

#71513: py312-mypy build error: TypeError: expected string or bytes-like object,
got 'NoneType'
-------------------------+--------------------
  Reporter:  ashterenli  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.10.5
Resolution:              |   Keywords:
      Port:              |
-------------------------+--------------------
Changes (by ashterenli):

 * Attachment "main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/71513>
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