Another bug to report... running the scope app with the -V option crahes

scott@decoder:~/pybombs/src/gr-op25/op25/gr-op25_repeater/apps$ ./scope.py --args "rtl=0" -f 852.675e6 -S 250000 -N 'LNA:49' -v 15 -V
linux; GNU C++ version 4.6.3; Boost_105300; UHD_003.006.002-1-g9fd308b3

gr-osmosdr v0.1.0-64-gd960d111 (0.1.1git) gnuradio v3.7.2.1-159-g3fa56a46
built-in source types: file osmosdr fcd rtl rtl_tcp uhd hackrf rfspace
Using device #0 Realtek RTL2838UHIDIR SN: 00000048
Found Rafael Micro R820T tuner
gain: name: LNA range: start 0 stop 0 step 0
setting gain LNA to 49
supported sample rates 250000-2560000 step 24000
RTL Supported freq ranges 24000000-1766000000
Using Volk machine: sse3_32
Exact sample rate is: 250000.000414 Hz
set_center_freq: 852675000
Project 25 IMBE Encoder/Decoder Fixed-Point implementation
Developed by Pavel Yazev E-mail: pyazev@gmail.com
Version 1.0 (c) Copyright 2009
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; see the file ``LICENSE'' for details.
audio_oss_sink: plughw:0,0: No such file or directory
Traceback (most recent call last):
  File "./scope.py", line 2792, in <module>
    app = stdgui2.stdapp(p25_rx_block, "APCO P25 Receiver", 3)
  File "/home/scott/target/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 46, in __init__
    wx.App.__init__ (self, redirect=False)
  File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7981, in __init__
    self._BootstrapApp()
  File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7555, in _BootstrapApp
    return _core_.PyApp__BootstrapApp(*args, **kwargs)
  File "/home/scott/target/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 49, in OnInit
    frame = stdframe (self.top_block_maker, self.title, self._nstatus)
  File "/home/scott/target/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 76, in __init__
    self.panel = stdpanel (self, self, top_block_maker)
  File "/home/scott/target/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 98, in __init__
    self.top_block = top_block_maker (frame, self, vbox, sys.argv)
  File "./scope.py", line 230, in __init__
    self.open_usrp()
  File "./scope.py", line 1124, in open_usrp
    self.__set_rx_from_osmosdr()
  File "./scope.py", line 872, in __set_rx_from_osmosdr
    self.__build_graph(self.src, capture_rate)
  File "./scope.py", line 293, in __build_graph
    self.audio_output = audio.sink(8000, self.options.audio_output, True)
  File "/home/scott/target/lib/python2.7/dist-packages/gnuradio/audio/audio_swig.py", line 122, in make
    return _audio_swig.sink_make(*args, **kwargs)
RuntimeError: audio_oss_sink
scott@decoder:~/pybombs/src/gr-op25/op25/gr-op25_repeater/apps$