[MacPorts] #63325: WARNING: Value for scheme.headers does not match

[MacPorts]

#63325: WARNING: Value for scheme.headers does not match
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 Reporter:  WolfgangFahl  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:
 Keywords:                |       Port:
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 see https://github.com/pypa/pip/issues/9617
 the python developers are doing a field test on all python users with this
 warning while in fact this seems to be a macports issue.

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Ticket URL: <https://trac.macports.org/ticket/63325>
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