[MacPorts] #31792: py-pyqt4: Upgrade to unified portfile with fixes

[MacPorts]

#31792: py-pyqt4: Upgrade to unified portfile with fixes
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 Reporter:  eborisch@…             |       Owner:  michaelld@…           
     Type:  defect                 |      Status:  new                   
 Priority:  Normal                 |   Milestone:                        
Component:  ports                  |     Version:  2.0.3                 
 Keywords:  haspatch               |        Port:  py-pyqt4              
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Comment(by michaelld@…):

 Looks good to me.  We're moving all of the pyXX-pyqt4 to be under
 "michaelld openmaintainer" anyway, so if you want to merge in your work
 then I'm all for it -- saves me a bunch of work :)  So, thanks!

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Ticket URL: <https://trac.macports.org/ticket/31792#comment:1>
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