pgl部分地方使用了接口fluid，在新版本paddlepaddle==2.6.1中被废弃了

[dylan-yin]

import pgl
Traceback (most recent call last):
File "", line 1, in
File "/root/anaconda3/envs/pgl23/lib/python3.10/site-packages/pgl/init.py", line 27, in
from pgl import graph
File "/root/anaconda3/envs/pgl23/lib/python3.10/site-packages/pgl/graph.py", line 28, in
from pgl.utils import op
File "/root/anaconda3/envs/pgl23/lib/python3.10/site-packages/pgl/utils/op.py", line 21, in
from pgl.utils.helper import check_is_tensor
File "/root/anaconda3/envs/pgl23/lib/python3.10/site-packages/pgl/utils/helper.py", line 18, in
from paddle.fluid.layers import core
ModuleNotFoundError: No module named 'paddle.fluid'