I am trying to use the QT GUI Entry block to change variables while a
program is running. However, I have discovered that when I change the
variable defined by the Entry block, the program crashes, displaying the
error: AttributeError: 'unicode' object has no attribute 'toAscii'  I am
running GNU Radio Companion 3.7.11.

I have attached a very simple .grc program that illustrates the problem.
The program consists of a cosine signal source feeding into a QT GUI Time
Sink. The frequency of the signal is controlled by a QT GUI Entry block.
Trying to change the frequency while the program is running will cause a

Anyone familiar with this problem?


John Makous

Attachment: QTGUI_EntryBLock_test.grc
Description: application/gnuradio-grc

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