add is_final for python_ws_srv (#794)

zhaomingwork

2023-08-01 65c18785016c099f40ff626c2c6a7dac91c3426f

1
2
3
4
5
6
7
8
9
c    1
cc    2
ccc    3
cd    4
d    5
dc    6
dcc    7
dccc    8
cm    9