[Bug 1873670] Re: python3-mapnik not working due to stale icu65: refernces

[Brian Murray]

** Changed in: python-mapnik (Ubuntu)
     Assignee: (unassigned) => Brian Murray (brian-murray)

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Title:
  python3-mapnik not working due to stale icu65: refernces

Status in python-mapnik package in Ubuntu:
  Confirmed

Bug description:
  Even though libicu66 "(>= 66.1~rc-1~)" is listed as a dependency for
  python3-mapnik, there still seem to be some stale references to the
  previous libicu65 in the python bindings library:

  This is simple to reproduce by just trying to import mapnik:

  # python3 -c "import mapnik"
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/usr/lib/python3/dist-packages/mapnik/__init__.py", line 74, in <module>
      from ._mapnik import *
  ImportError: /usr/lib/python3/dist-packages/mapnik/_mapnik.cpython-38-x86_64-linux-gnu.so: undefined symbol: _ZN6icu_6513UnicodeStringC1ERKS0_

  
  The undefined symbol unmangled by c++filt is: 

  icu_65::UnicodeString::UnicodeString(icu_65::UnicodeString const&)

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: python3-mapnik 1:0.0~20180723-588fc9062-3ubuntu2
  ProcVersionSignature: Ubuntu 5.4.0-24.28-generic 5.4.30
  Uname: Linux 5.4.0-24-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Sun Apr 19 15:57:17 2020
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: python-mapnik
  UpgradeStatus: No upgrade log present (probably fresh install)

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