Re: [Discuss-gnuradio] usrp_nbfm_ptt.py Error: __init__() takes exactly 4 arguments (6 given)

[Ben Reynwar]

On Fri, Mar 23, 2012 at 11:30 AM, mario behn <address@hidden> wrote:
> On Fri, Mar 23, 2012 at 5:50 PM, Ben Reynwar <address@hidden> wrote:
>> That sounds like the example is out-of-date.  It's calling some
>> function that expects a different number of arguments than it is
>> giving it.  If you included the entire error output then we could
>> better see what the problem was (i.e. which function is raising this
>> error).
>>
>> Cheers,
>> Ben
>
> Hi Ben,
>
> thank you for your answer. I agree, here is the total text of the
> error, eric4 gives me:
>
> The debugged program raised the exception unhandled TypeError
> "__init__() takes exactly 4 arguments (6 given)"
> File: /home/usrp1/USRP/gnuradio/gr-uhd/examples/usrp_nbfm_ptt.py, Line: 81
>
> and highlights line 81 correspondingly:
>
> 76     self.txpath = transmit_path(options.args, options.spec,
> 77                                    options.antenna, options.tx_gain,
> 78                                    options.audio_input)
> 79     self.rxpath = receive_path(options.args, options.spec,
> 80                                   options.antenna, options.rx_gain,
> 81                                   options.audio_output)
> 82      self.connect(self.txpath)
> 83      self.connect(self.rxpath)
>
> and it is actually the file available here:
>
> http://gnuradio.org/redmine/projects/gnuradio/repository/revisions/v3.5.3git/changes/gr-uhd/examples/usrp_nbfm_ptt.py
>
> Is there any quick fix I can apply?
>
> Cheers
>
> Mario Behn

Yep, there is an error in that file.  The receive_path defined on line
371 isn't compatible with the call to receive_path on line 79.
Perhaps try removing options.spec and options.antenna from the call,
but I'm just guessing, I haven't used this example before.