[MacPorts] #27757: switch mercurial to Python 2.7

[MacPorts]

#27757: switch mercurial to Python 2.7
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 Reporter:  singingwolfboy@…             |       Owner:  deric@…           
     Type:  defect                       |      Status:  new               
 Priority:  Normal                       |   Milestone:                    
Component:  ports                        |     Version:  1.9.2             
 Keywords:                               |        Port:  mercurial         
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Comment(by joshmoz@…):

 Please don't do this until bug 27916 has been addressed. It'll cause a
 problematic version of python to be installed on more systems.

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Ticket URL: <https://trac.macports.org/ticket/27757#comment:1>
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