[MacPorts] #67938: py37-astroid @2.15.6: ERROR cannot import name 'Protocol' from 'typing'

[MacPorts]

#67938: py37-astroid @2.15.6: ERROR cannot import name 'Protocol' from 'typing'
-----------------------------------------------+----------------------
  Reporter:  ryandesign                        |      Owner:  stromnov
      Type:  defect                            |     Status:  assigned
  Priority:  Normal                            |  Milestone:
 Component:  ports                             |    Version:  2.8.1
Resolution:                                    |   Keywords:
      Port:  py-astroid py-importlib-metadata  |
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Comment (by reneeotten):

 this works locally fine for me with {{{py37-astroid}}}. I *think* the
 issue has been resolved after the buildbot attempted the build; more
 specifically [changeset:843ca4d5e3cf95b11b67a61311d3d32f20f6202a/macports-
 ports this commit].

 @ryandesign or @jmroot: can you reschedule builds for the PY37 subport on
 the buildbots?

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Ticket URL: <https://trac.macports.org/ticket/67938#comment:3>
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