[sqlmap-users] problem with --predict-output

[1ndr4 j. <c0d...@gm...>]

sqlmap version: 1.0-dev (r4269)
Python version: 2.6.5
Operating system: posix
Command line: ./sqlmap.py -u
***********************************************************************************************
--dbs --predict-output
Technique: BOOLEAN
Back-end DBMS: PostgreSQL (fingerprinted)
Traceback (most recent call last):
  File "./sqlmap.py", line 86, in main
    start()
  File "/pentest/database/sqlmap/lib/controller/controller.py", line 554, in
start
    action()
  File "/pentest/database/sqlmap/lib/controller/action.py", line 88, in
action
    conf.dumper.dbs(conf.dbmsHandler.getDbs())
  File "/pentest/database/sqlmap/plugins/generic/enumeration.py", line 773,
in getDbs
    db = inject.getValue(query, inband=False, error=False)
  File "/pentest/database/sqlmap/lib/request/inject.py", line 456, in
getValue
    value = __goInferenceProxy(query, fromUser, expected, batch,
resumeValue, unpack, charsetType, firstChar, lastChar, dump)
  File "/pentest/database/sqlmap/lib/request/inject.py", line 321, in
__goInferenceProxy
    outputs = __goInferenceFields(expression, expressionFields,
expressionFieldsList, payload, expected, resumeValue=resumeValue,
charsetType=charsetType, firstChar=firstChar, lastChar=lastChar, dump=dump)
  File "/pentest/database/sqlmap/lib/request/inject.py", line 102, in
__goInferenceFields
    output = __goInference(payload, expressionReplaced, charsetType,
firstChar, lastChar, dump)
  File "/pentest/database/sqlmap/lib/request/inject.py", line 66, in
__goInference
    count, value = bisection(payload, expression, length, charsetType,
firstChar, lastChar, dump)
  File "/pentest/database/sqlmap/lib/techniques/blind/inference.py", line
65, in bisection
    kb.partRun = getPartRun() if conf.predictOutput else None
  File "/pentest/database/sqlmap/lib/core/common.py", line 1858, in
getPartRun
    stack = [item[4][0] if isinstance(item[4], list) else '' for item in
inspect.stack()]
  File "/usr/lib/python2.6/inspect.py", line 953, in stack
    return getouterframes(sys._getframe(1), context)
  File "/usr/lib/python2.6/inspect.py", line 931, in getouterframes
    framelist.append((frame,) + getframeinfo(frame, context))
  File "/usr/lib/python2.6/inspect.py", line 900, in getframeinfo
    raise TypeError('arg is not a frame or traceback object')
TypeError: arg is not a frame or traceback object