[Paparazzi-devel] how to calibrate the magnetometer with my MacBook?

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Hi,everyone.

     I wanna calibrate my LISA's magnetometer with my MacBook(OSx lion ver10.7.4) And I get some errors while I follow the instruction on wiki.

I input:

macmatoMacBook-Air-5:calibration mac$ ./calibrate.py -i 1 -s MAG 12_08_26__01_16_37.data

And it just responds:

Traceback (most recent call last):

  File "./calibrate.py", line 27, in <module>

    import scipy

ImportError: No module named scipy

It seems like that it miss something named scipy,How can I fix it on my OSx lion??

Thanks for your help.