[MacPorts] #62427: py38-matplotlib 3.3.4 fails to build on 10.4.11

[MacPorts]

#62427: py38-matplotlib 3.3.4 fails to build on 10.4.11
-----------------------------+-----------------------------
 Reporter:  gombang          |      Owner:  (none)
     Type:  defect           |     Status:  new
 Priority:  Normal           |  Milestone:
Component:  ports            |    Version:  2.6.4
 Keywords:  tiger legacy-os  |       Port:  py38-matplotlib
-----------------------------+-----------------------------
 Failed to patch before building. The error message is:

 {{{Patching setup.cfg: s|^macosx=True|macosx=Falsesed: 1:
 "s|^macosx=True|macosx=F ...": unterminated substitute in regular
 expressionError: reinplace: child process exited abnormallyError: Failed
 to patch py38-matplotlib: reinplace sed(1) failed}}}

 Also see attached main.log file.

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Ticket URL: <https://trac.macports.org/ticket/62427>
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