[MacPorts] #47009: Update github url for open source data in py-cartopy

[MacPorts]

#47009: Update github url for open source data in py-cartopy
-------------------------+--------------------------------
 Reporter:  s.t.smith@…  |      Owner:  macports-tickets@…
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.3.3
 Keywords:               |       Port:  py-cartopy
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 The github structure has changed for open source zip files used by this
 project.

 Use this edit to the file
 /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7
 /site-packages/cartopy/io/shapereader.py

 {{{
     # https://github.com/nvkelso/natural-earth-
 vector/blob/v2.0/zips/110m_physical/ne_110m_ocean.zip
     # _NE_URL_TEMPLATE = ('https://github.com/nvkelso/natural-earth-
 vector/'
                         # 'raw/master/zips/{resolution}_{category}/'
                         # 'ne_{resolution}_{name}.zip')
     _NE_URL_TEMPLATE = ('https://github.com/nvkelso/natural-earth-vector/'
                         'blob/v2.0/zips/{resolution}_{category}/'
                         'ne_{resolution}_{name}.zip?raw=true')
 }}}

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Ticket URL: <https://trac.macports.org/ticket/47009>
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