Kicad python scripts are generating a warning

On Kicad 9

These scripts are generating this waning:

  • bom_csv_sorted_by_ref.py
  • bom_csv_grouped_by_value.py
/usr/share/kicad/plugins/kicad_netlist_reader.py:748: SyntaxWarning: invalid escape sequence '\d'

I am using this export PYTHONWARNINGS="ignore" but it could be fixed directly in Kicad scripts.