You'll have to tell us what you do with that `data` and what the io_signature of your block is.

On 20.04.22 17:22, George Edwards wrote:
Hello GNURadio Community,

In an OOT QA testing of a signal processing block designed to accept an input vector of 4 elements, I am having problems passing the QA input as a vector. It sees the input as a stream. I tried passing the data in two ways, but each failed. Here are the two ways I have formated the QA data which I would like to be seen as a vector of 4 elements:

data = (1.0, 2.0, 3.0, 4.0)  and
data = numpy.array([[1.0, 2.0, 3.0, 4.0], [5.0, 6.0, 7.0, 8.0]])

I would appreciate any suggestion.

Thank you!
George

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