[Discuss-gnuradio] qa test failed!

[Linda20071]

I created a module named detector0 with one input argument: int len. In the python qa file, I set the len to 20. However, when I issued the command: ctest -V -R detector0, I got the following error:

2: Test timeout computed to be: 9.99988e+06

2: E

2: ================================================================= 

2: ERROR: test_001_detector0 (__main__.qa_detector0)

2: ----------------------------------------------------------------------

2: Traceback (most recent call last):

2:   File "qa_detector0.py", line 42, in test_001_detector0

2:     self.tb.connect(detec. dst)

2: AttributeError: 'detector0_sptr' object has no attribute 'dst'

My related python codes are as follows:

src = "">

        d_len = 20

detec = detectors.detector0(d_len)

dst = blocks.vector_sink_f()

self.tb.connect(src, detec)

self.tb.connect(detec. dst)

        # set up fg

        self.tb.run ()

        # check data

result_data = dst.data()

self.assertFloatTuplesAlmostEqual(expected_result, result_data, 6)

I couldn't see any problems in the connection:  self.tb.connect(detec. dst).  

Any advice on solving this AttributeError?