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Re: [Discuss-gnuradio] Getting error: No module named howto_swig

From: Marcus Müller
Subject: Re: [Discuss-gnuradio] Getting error: No module named howto_swig
Date: Sat, 07 Mar 2015 22:42:23 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0

Hi Abhishek,
the whole "howto" example introduction is kind of obsolete; I recommend following the new guided tutorials from


On 03/07/2015 07:36 PM, Abhishek Shukla wrote:
while building own custom block "square_ff" for Gnuradio 3.7.3, my make test command was not successful. After checking in detail for the error with command "ctest -V -R square", i got an error of "No module named howto_swig".
also while doing cmake there was one of the statement "Disabling SWIG because version check failed". I tried to troubleshoot be installing or upgrading SWIG, but it did not solve my error.
Test project /home/abhishek/gnuradio-master/gr-howto/build
Constructing a list of tests
Done constructing a list of tests
Checking test dependency graph...
Checking test dependency graph end
test 2
    Start 2: qa_square_ff

2: Test command: /bin/sh "/home/abhishek/gnuradio-master/gr-howto/build/python/qa_square_ff_test.sh"
2: Test timeout computed to be: 9.99988e+06
2: Traceback (most recent call last):
2:   File "/home/abhishek/gnuradio-master/gr-howto/python/qa_square_ff.py", line 24, in <module>
2:     import howto_swig as howto
2: ImportError: No module named howto_swig
1/1 Test #2: qa_square_ff .....................***Failed    0.29 sec

0% tests passed, 1 tests failed out of 1

Total Test time (real) =   0.30 sec

The following tests FAILED:
      2 - qa_square_ff (Failed)
Errors while running CTest

Any suggestion will be appreciated
Thanks in advance     

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