[MacPorts] #36224: Update of py27-virtualenv fails

[MacPorts]

#36224: Update of py27-virtualenv fails
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 Reporter:  david.w.watson@…  |      Owner:  macports-tickets@…
     Type:  defect            |     Status:  new
 Priority:  Normal            |  Milestone:
Component:  ports             |    Version:  2.1.2
 Keywords:                    |       Port:  py27-virtualenv
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 with error:

 IOError: [Errno 13] Permission denied:
 '/opt/macports/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/httplib2-0.7.6-py2.7.egg-info/top_level.txt'

 log attached

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Ticket URL: <https://trac.macports.org/ticket/36224>
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