AttributeError: module 'limesdr' has no attribute 'sink'

[rodrirq]

Hello, I have seen this post: #17
Which seems to talk about the same problem.
I am working with GNU Radio 3.8 on PetaLinux 2020.2. I installed it via meta-sdr.
I have cross-compiled gr-limesdr and LimeSuite using PetaLinux SDK.
The thing is that when I try to run a simple flowgraph, I get this:

I modified the __init__.py to see the error vi removing the try / except block and got this:

I asked this on the myriadrf forum, but I will ask it here as well, just in case.