[MacPorts] #39557: py-dap: update to 3.1

[MacPorts]

#39557: py-dap: update to 3.1
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  Reporter:  jmr@…   |      Owner:  ram@…
      Type:  update  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  py-dap  |
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Comment (by ram@…):

 I no longer use py-dap, and it looks like it's not going to be a simple
 update as build fails with:

 {{{
 :info:build setup.py: error: no such option: --no-user-cfg
 }}}

 I'll try, but I'm not going to spend much time on this.

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Ticket URL: <https://trac.macports.org/ticket/39557#comment:1>
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