Hi all,
I'm trying to build an RFNoC graph (x300 with a TwinRX radio module):
```
import uhd
graph = uhd.rfnoc.RfnocGraph("addr=192.168.10.2")
sa = uhd.usrp.StreamArgs("fc32", "sc16")
rx_streamer0 = graph.create_rx_streamer(1, sa)
rx_streamer1 = graph.create_rx_streamer(1, sa)
graph.connect("0/Radio#0", 0, "0/DDC#0", 0, False)
graph.connect("0/Radio#0", 1, "0/DDC#0", 1, False)
graph.connect("0/DDC#0", 0, rx_streamer0, 0)
graph.connect("0/DDC#0", 1, rx_streamer1, 0)
graph.commit()
```
after the “*graph.commit()*” instruction, it the code complains with the
following error message:
```
[ERROR] [RFNOC::GRAPH::DETAIL] 0/DDC#0: RfnocError: ResolveError: Attempting
to overwrite property `mtu@INPUT_EDGE:1' with a new value after it was locked!
```
> ```
> Traceback (most recent call last):
> ```
> ```
> File "script2.py", line 62, in <module>
> ```
>
> ```
> graph.commit()
> RuntimeError: RfnocError: ResolveError: Attempting to overwrite property
> `mtu@INPUT_EDGE:1' with a new value after it was locked!
> ```
Does anyone have any experience or any hints in creating an rfnoc graph using
the UHD python API?
Best regads,
Arjan Feta
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