Hi I am new to the group and GNUradio. I have installed gnuradio on ubuntu 12.04 from the directions at this link.

http://blogs.bu.edu/mhirsch/2012/07/installing-gnu-radio-in-ubuntu-12-04-x64/

I then went to the build instructions page and followed them to the T, all seemed to be going well but when I enter the command line to start it

~/src/op25/python$ ./audio_p25_rx.py -a

I get this error message

robert@robert-laptop:~/src/op25/python$ ./audio_p25_rx.py -a
Traceback (most recent call last):
File "./audio_p25_rx.py", line 34, in <module>
from gnuradio import audio, eng_notation, fsk4, gr, gru, op25
ImportError: cannot import name fsk4
robert@robert-laptop:~/src/op25/python$

Can anybody please help me get the program running I am not great with software code and really need to get this up and running for a current project I am a part of. I am hoping this issue can be resolved with a couple of command lines.

Thank You For Your Time and Help,
Robert Klamp Jr.

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