Hi,

5 months ago I was using GnuRadio 3.9 with the fosphor sink block.
I had some issues and some of you help me to fix it.

Today I restart GnuRadio. It indicate me that the version is : 3.10.2.0.
When I try to run my flowgraph : UHD:USRP Source --> fosphor sink (Qt) I have 
the following error:
Generating: 
'/home/ghochet/Documents/Experimentations/CaracterisationEnvironnement/2022/08-06-2022/test_detect_wifigrc.py'
Executing: /usr/bin/python3 -u 
/home/ghochet/Documents/Experimentations/CaracterisationEnvironnement/2022/08-06-2022/test_detect_wifigrc.py
Traceback (most recent call last):
  File 
"/home/ghochet/Documents/Experimentations/CaracterisationEnvironnement/2022/08-06-2022/test_detect_wifigrc.py",
 line 28, in <module>
    from gnuradio import fosphor
  File "/usr/lib/python3/dist-packages/gnuradio/fosphor/__init__.py", line 9, 
in <module>
    from .fosphor_python import *
ImportError: libgnuradio-runtime.so.3.9.4: cannot open shared object file: No 
such file or directory

I try to install the package with apt-get but I have an error saying it does 
not exist.

Do you know how I can fix it ?
Or do you know a block having the same output of fosphor ? I appreciate it 
because I can see in real time if a signal is present or not.
I try using QT GUI Sink looking at the waterfall but this is not what I want. 
Same for the QT GUI Frequency Sink.

Thanks for your help,
Gwendoline

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