[bug #3336] (thuban) Saving Thuban project file resulted in error below

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this bug's URL: http://intevation.de/rt/webrt?serial_num=3336
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Subject: Saving Thuban project file resulted in error below

Operating System: MacOS, 10.4.1
Thuban version: 1.0.1, -3
wxPython version: 2.5
Python version: 2.3.0
proj version: 4.4.8

Packaged THUBAN version from the GRASS for MAC OS X site, Enzo Moretti.
Trying to save a thuban project file resulted in the following error. File was created but is 
empty.

An unhandled exception occurred:
Can't handle container <Extensions.ogr.ogrshapes.OGRShapeStore instance at 0x16a0a878>
(please report to http://thuban.intevation.org/bugtracker.html)

Traceback (most recent call last):
  File "/Applications/Grass/Thuban 1.0.1/Thuban 1.0.1.app/Contents/Resources/Python/
site-packages/Thuban/UI/mainwindow.py", line 294, in invoke_command
  File "/Applications/Grass/Thuban 1.0.1.app/Contents/Resources/Python/site-packages/
Thuban/UI/command.py", line 121, in Execute
  File "/Applications/Grass/Thuban 1.0.1/Thuban 1.0.1.app/Contents/Resources/Python/
site-packages/Thuban/UI/mainwindow.py", line 1068, in call_method
  File "/Applications/Grass/Thuban 1.0.1/Thuban 1.0.1.app/Contents/Resources/Python/
site-packages/Thuban/UI/mainwindow.py", line 490, in SaveSessionAs
  File "/Applications/Grass/Thuban 1.0.1.app/Contents/Resources/Python/site-packages/
Thuban/UI/application.py", line 314, in SaveSession
  File "/Applications/Grass/Thuban 1.0.1.app/Contents/Resources/Python/site-packages/
Thuban/Model/save.py", line 393, in save_session
  File "/Applications/Grass/Thuban 1.0.1.app/Contents/Resources/Python/site-packages/
Thuban/Model/save.py", line 139, in write
  File "/Applications/Grass/Thuban 1.0.1.app/Contents/Resources/Python/site-packages/
Thuban/Model/save.py", line 168, in write_session
  File "/Applications/Grass/Thuban 1.0.1.app/Contents/Resources/Python/site-packages/
Thuban/Model/save.py", line 243, in write_data_containers
ValueError: Can't handle container <Extensions.ogr.ogrshapes.OGRShapeStore instance at 
0x16a0a878>


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