report.py:   code standardization, first argument of class method is called cls
report.py:   code standardization, first argument of class method is called cls

frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe,frePPLe/frePPLe