[MacPorts] #27188: Unable to execute port: wrong # args

[MacPorts]

#27188: Unable to execute port: wrong # args
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 Reporter:  junk@…           |       Owner:  macports-tickets@…                   
     Type:  defect           |      Status:  new                                  
 Priority:  High             |   Milestone:                                       
Component:  ports            |     Version:  1.9.2                                
 Keywords:                   |        Port:                                       
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Comment(by thewolf167@…):

 Any attempt to install an older version of Macports ends up with 1.9.2
 still installed, and the complete inability to install new software.

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Ticket URL: <https://trac.macports.org/ticket/27188#comment:4>
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