[MacPorts] #57124: py-networkit @4.6_0: upgrade cannot find patch file

[MacPorts]

#57124: py-networkit @4.6_0: upgrade cannot find patch file
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 Reporter:  bakergilx  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.5.3
 Keywords:             |       Port:  py-networkit
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 Upgrading from version 4.5 to version 4.6 fails with the following error:

 {{{Attempting to fetch patch-setup_util.py.diff from
 http://sea.us.distfiles.macports.org/macports/distfiles/py-networkit
 Error: Failed to fetch py36-networkit: The requested URL returned error:
 404 Not Found}}}

 log file attached

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Ticket URL: <https://trac.macports.org/ticket/57124>
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