Description of problem:
type command: tracer -iat 1438798693.83 in terminal

Version-Release number of selected component:
tracer-0.5.9-3.fc22

Additional info:
reporter:       libreport-2.6.2
cmdline:        /usr/bin/python /usr/bin/tracer -iat 1438798693.83
executable:     /usr/bin/tracer
kernel:         4.1.3-200.fc22.x86_64
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
default.py:68:render_interactive:TypeError: __init__() takes exactly 3 arguments (2 given)

Traceback (most recent call last):
  File "/usr/bin/tracer", line 34, in <module>
    tracer.main.run()
  File "/usr/lib/python2.7/site-packages/tracer/main.py", line 42, in run
    return router.dispatch()
  File "/usr/lib/python2.7/site-packages/tracer/resources/router.py", line 59, in dispatch
    controller.render_interactive()
  File "/usr/lib/python2.7/site-packages/tracer/controllers/default.py", line 68, in render_interactive
    helper_controller = HelperController(self.args)
TypeError: __init__() takes exactly 3 arguments (2 given)

Local variables in innermost frame:
self: <tracer.controllers.default.DefaultController object at 0x7f8192cf7fd0>