[pymvpa] "TypeError: save() takes exactly 3 arguments (2 given)" under pympva 0.6

[Meng Liang]

Dear list,
 
I am trying to save the sensitivity map into a nifti file (nii.gz) using map2nifti().save(filename), however, the following error appears:
 
========
>>>map2nifti(ds, N.mean(sensmap_cv, axis=0)).save('test.nii.gz')

TypeError: save() takes exactly 3 arguments (2 given)
========
 
I am working with pymvpa 0.6 in Neurodebian virtual machine (64bit windows 7). By the way, the similar function used to work when I was using pymvpa 0.4.7.
 
Any idea how to fix it? Many thanks!
Meng 		 	   		  
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