[Qgis-developer] python geoprocessing trouble

[Paolo Cavallini]

Hi all.
I'm doing a short course on QGIS+GRASS in Portugal, and we're 
encountering some problems [1] on win (let alone the nightmare of 
installing additional py packages, and having py25 from qgis recognize it).
Additionally, when running manageR, loading layers into R results in [2].

Anyone has encountered these problems?
All the best.
pc

==============
[1]An error has occured while executing Python code:problem?

Traceback (most recent call last):
File "C:/Documents and Settings/António
Mira/.qgis//python/plugins\Geoprocessing\geoprocessing.py", line 243, in
geoprocessing
  self.difference(myLayerA, myLayerB, myPath, myBool)
File "C:/Documents and Settings/António
Mira/.qgis//python/plugins\Geoprocessing\geoprocessing.py", line 422, in
difference
  diffResult = self.makeDifference(vlayerA, vlayerB)
File "C:/Documents and Settings/António
Mira/.qgis//python/plugins\Geoprocessing\geoprocessing.py", line 927, in
makeDifference
  if fet.geometry().wkbSize() > 0:
AttributeError: 'NoneType' object has no attribute 'wkbSize'

==============
[2]An error has occured while executing Python code:

Traceback (most recent call last):
  File "/home_slides/.qgis//python/plugins/manageR/domanageR.py", line 
347, in load
   self.commandList.append(expression)
TypeError: 'module' object is not callable