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 crash. Anyone familiar with this problem? Thanks! John Makous
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