Errors with CircuitBlocks-1.3.1-Linux.AppImage on Ubuntu 20.04

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When I tried my first exercise with Spencer programming using CircuitBlocks I got the error

Compile error. Check your code then try again.

Thanks to Filip’s post on how to get the CircuitBlocks error log, I found these problems:

  1. Python not on $PATH
    Error: "exec: \"python\": executable file not found in $PATH"
    Solved by: sudo apt install python-is-python3

  2. No module named ‘serial’
    Error: "esptool.py\", line 38, in <module>\n import serial\nModuleNotFoundError: No module named 'serial'\n"
    Solved by: pip3 install pyserial

After that everything worked fine.
Hope this helps others running into the same problem.

Regards, Krischi

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