[sqlmap-users] i am getting this error when i am trying to update sqlmap. plz help

[Abhishek M. <leo...@gm...>]

root@bt:/pentest/database/sqlmap# ./sqlmap.py --update

    sqlmap/1.0-dev (r4009) - automatic SQL injection and database takeover
tool
    http://sqlmap.sourceforge.net

[!] Legal Disclaimer: usage of sqlmap for attacking web servers without
prior mutual consent can be considered as an illegal activity. it is the
final user's responsibility to obey all applicable local, state and federal
laws. authors assume no liability and are not responsible for any misuse or
damage caused by this program.

[*] starting at: 20:30:27

[20:30:28] [INFO] updating sqlmap to latest development version from the
subversion repository
D /pentest/database/sqlmap/txt/oracle-default-passwords.txt
A /pentest/database/sqlmap/txt/smalldict.txt
A /pentest/database/sqlmap/plugins/dbms/db2
A /pentest/database/sqlmap/plugins/dbms/db2/connector.py
A /pentest/database/sqlmap/plugins/dbms/db2/__init__.py
A /pentest/database/sqlmap/plugins/dbms/db2/takeover.py
A /pentest/database/sqlmap/plugins/dbms/db2/filesystem.py
A /pentest/database/sqlmap/plugins/dbms/db2/enumeration.py
A /pentest/database/sqlmap/plugins/dbms/db2/syntax.py
A /pentest/database/sqlmap/plugins/dbms/db2/fingerprint.py
A /pentest/database/sqlmap/_sqlmap.py
D /pentest/database/sqlmap/extra/xmlobject
A /pentest/database/sqlmap/extra/beautifulsoup
A /pentest/database/sqlmap/extra/beautifulsoup/__init__.py
A /pentest/database/sqlmap/extra/beautifulsoup/beautifulsoup.py
A /pentest/database/sqlmap/doc/FAQ.pdf
A /pentest/database/sqlmap/doc/FAQ.html
A /pentest/database/sqlmap/lib/utils/hashdb.py

[20:34:04] [CRITICAL] unhandled exception in sqlmap/1.0-dev (r4009), retry
your run with the latest development version from the Subversion
repository. If the exception persists, please send by e-mail to
sql...@li... the following text and any information
required to reproduce the bug. The developers will try to reproduce the
bug, fix it accordingly and get back to you.
sqlmap version: 1.0-dev (r4009)
Python version: 2.6.5
Operating system: posix
Command line: ./sqlmap.py --update
Technique: None
Back-end DBMS: None (identified)
Traceback (most recent call last):
  File "./sqlmap.py", line 78, in main
  File "/pentest/database/sqlmap/lib/core/option.py", line 1752, in init
    update()
  File "/pentest/database/sqlmap/lib/core/update.py", line 71, in update
    client.update(rootDir)
ClientError: callback_get_login required

[*] shutting down at: 20:34:04

root@bt:/pentest/database/sqlmap# ./sqlmap.py --update
Traceback (most recent call last):
  File "./sqlmap.py", line 17, in <module>
    from _sqlmap import main
  File "/pentest/database/sqlmap/_sqlmap.py", line 27, in <module>
    from lib.controller.controller import start
  File "/pentest/database/sqlmap/lib/controller/controller.py", line 13, in
<module>
    from lib.controller.action import action
  File "/pentest/database/sqlmap/lib/controller/action.py", line 10, in
<module>
    from lib.controller.handler import setHandler
  File "/pentest/database/sqlmap/lib/controller/handler.py", line 27, in
<module>
    from plugins.dbms.mssqlserver import MSSQLServerMap
  File "/pentest/database/sqlmap/plugins/dbms/mssqlserver/__init__.py",
line 14, in <module>
    from plugins.dbms.mssqlserver.enumeration import Enumeration
  File "/pentest/database/sqlmap/plugins/dbms/mssqlserver/enumeration.py",
line 28, in <module>
    from plugins.generic.enumeration import Enumeration as
GenericEnumeration
  File "/pentest/database/sqlmap/plugins/generic/enumeration.py", line 16,
in <module>
    from lib.core.common import BigArray
ImportError: cannot import name BigArray
root@bt:/pentest/database/sqlmap#