Upgrade provision error

[Rohit Rajan]

Dear All,

i'm trying to upgrade my samba provision from Version 
4.0.0alpha14-GIT-cd04af7 on CentOS release 5.5 (Final) with Python 2.4.3 
to git pull of 5ec284d

its giving an error as below

  source4]# ./scripting/bin/upgradeprovision --full
Traceback (most recent call last):
   File "./scripting/bin/upgradeprovision", line 36, in ?
     import ldb
ImportError: No module named ldb

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Warm regards,

Rohit Rajan (Senior Systems Engineer)
Catalyst Business Solutions Pvt Ltd
221,Udyog Vihar Phase - IV
Gurgaon - 122016 India.
Fax: +91 124 4750308
Work : +91 124 4750300
Mobile : +91 9717621166
Website : www.catalyst-us.com
Skype : rohit.rajan