1

I have installed the contour plugin on my kubuntu 13 laptop, but when I am opening qgis (2.0.1) I get the following message:

Couldn't load plugin contour due an error when calling its classFactory() method

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/qgis/utils.py", line 204, in startPlugin
    plugins[packageName] = package.classFactory(iface)
  File "/home/maria/.qgis2/python/plugins/contour/__init__.py", line 47, in classFactory
    from contour import Contour
  File "/usr/lib/python2.7/dist-packages/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "/home/maria/.qgis2/python/plugins/contour/contour.py", line 41, in 
    from shapely.geometry import MultiLineString, MultiPolygon
  File "/usr/lib/python2.7/dist-packages/qgis/utils.py", line 453, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
ImportError: No module named shapely.geometry

How can I solve this problem?

3

Your install seems to be missing the shapely python module (I often get a similar error message when I install QGIS on a new machine and fire up contour for the first time).

I'm a Win user myself (so I just installed it via the OSGeo4W installer), but I imagine you should be able to find shapely via your accessible repositories.

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