[Bf-python] Vertex normal bug?

[Ryan Southall]

Hi.
I can't figure out if I'm doing something wrong in my script or there is a  
bug in the vertex normal calculation.
I have a script that uses
Code:
mesh = obj.to_mesh(bpy.context.scene, True, 'PREVIEW', calc_tessface=False)
mesh.transform(obj.matrix_world)

to give me world data for an object obj. This correctly returns world  
space face normals & position, and vertex position, but incorrect vertex  
normals. I have to accept first any rotation of the object to get correct  
vertex normals.
Am I doing something wrong? I'm on arch linux 64bit with a vanilla 2.66  
install.
Cheers
Ryan

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