Need help compiling mbed for PORTENTA_H7_M7

Hello, having eternal issues trying to compile new libmbed.a file

Created a new PC with Ubuntuu linux
Downloaded Arduino IDE 2.0
Install Portenta Board manager

Used the main file below as guide

https://github.com/arduino/ArduinoCore-mbed#mbed-os-to-arduino-script

Did not create a new clone, but trying to compile in the 3.5.4 installation itself
Went to ~/.arduino15/packages/arduino/hardware/mbed_portenta/3.5.4

I tried running the mbed-os-to-arduino script at that point, and was getting a line 25 error

I then found this
https://github.com/arduino/ArduinoCore-nRF528x-mbedos/issues/66

I installed python3
Created a virtual environemt and and ran

`./mbed-os-to-arduino -a -g PORTENTA_H7_M7:PORTENTA_H7_M7`

I then got an error message later in the script

```./mbed-os-to-arduino -a -g PORTENTA_H7_M7:PORTENTA_H7_M7
MBED_CLEAN=0
MBED_UPDATE=0
APPLY_PATCHES=1
RESTORE_GDB_INFO=1
LOCAL_REPO=
REMOTE_BRANCH=
MBED_CORE_LOCATION=/home/rsalasidis/.arduino15/packages/arduino/hardware/mbed_portenta/3.5.4

VARIANT=PORTENTA_H7_M7 BOARD=PORTENTA_H7_M7 Checking for prerequisites... done.
Creating MbedOS Application... done.
Checking out preferred 'mbed-os' version... done.
Setting up Mbed Application...[mbed] Working path "/tmp/mbed-os-program"
(program)
[mbed] PORTENTA_H7_M7 now set as default target in program "mbed-os-program"
[mbed] Working path "/tmp/mbed-os-program" (program) [mbed] GCC_ARM now set as default toolchain in program "mbed-os-program"
done.
Applying patches... done.
Restoring gdb info (this increases libmbed binary size, not suitable for
release)
Updated 0 paths from the index
/tmp/mbed-os-program
Compiling Mbed Application...[mbed] ERROR:
"/home/rsalasidis/.arduino15/packages/arduino/hardware/mbed_portenta/3.5.4/bin/python3"
returned error.
Code: 1
Path: "/tmp/mbed-os-program"
Command:
"/home/rsalasidis/.arduino15/packages/arduino/hardware/mbed_portenta/3.5.4/bin/python3
-m pip list -l"
---
```

I downloaded the GNU ToolChain, but not sure if the problem is that the scrtipt dows not find the compiler locations?

Any ideas?

Thanks

Start with the mbed-os-to-arduino script and the installed ArduinoCore-mbed 3.5.4 path shown in the report. Reproduce the PORTENTA_H7_M7 command and inspect the pip list -l failure from the bundled Python environment. Done means the script completes and produces the requested libmbed.a file.

Written by the indexing model from the issue text.