[MacPorts] #60860: py-autobahn: Update to 20.6.2

[MacPorts]

#60860: py-autobahn: Update to 20.6.2
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  Reporter:  ryandesign   |      Owner:  mojca
      Type:  update       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  py-autobahn  |
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Comment (by iefdev):

 [5254e48a/macports-ports]

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Ticket URL: <https://trac.macports.org/ticket/60860#comment:1>
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