Unhandled exception (#2d2013af) #3173

Running version: 1.2.7.4#dev
Python version: 2.7.12
Operating system: Linux-4.4.0-124-generic-x86_64-with-Ubuntu-16.04-xenial
Command line: sqlmap.py -u ********************************************************************************************************************* --random-agent -f --passwords --tables --exclude-sysdbs
Technique: UNION
Back-end DBMS: PostgreSQL (fingerprinted)

Traceback (most recent call last):
  File "sqlmap.py", line 160, in main
    start()
  File "lib/core/decorators.py", line 34, in _
    result = f(*args, **kwargs)
  File "lib/controller/controller.py", line 652, in start
    action()
  File "lib/controller/action.py", line 32, in action
    setHandler()
  File "lib/controller/handler.py", line 109, in setHandler
    if conf.forceDbms == dbms or handler.checkDbms():
  File "plugins/dbms/postgresql/fingerprint.py", line 105, in checkDbms
    Backend.setVersion(">= 9.5.0", "< 9.6.0")
TypeError: setVersion() takes exactly 1 argument (2 given)