pylint #89094 Bug on __name__ attribute on function. [open]

Using the following syntax yield an E1101 error in pylint:

a_function.__name__ += '_test'

Pylint output:

E: 4,0: Function 'myfun' has no '__name__' member

prioritynormal
typebug
done in<not specified>
closed by<not specified>
attachment

test2.py