AttributeError: module 'pynvml' has no attribute '_nvmlGetFunctionPointer'

[605521553]

the code uses the version pip install gorilla-core==0.2.5.6
but this version has missed,when i run other version,errors come here.
i cant import gorilla,could you help me to solve it?
Traceback (most recent call last):
File "/home/scj/IST-Net-main/test.py", line 8, in
import gorilla
File "/home/scj/anaconda3/envs/istnet/lib/python3.6/site-packages/gorilla/init.py", line 5, in
from .utils import *
File "/home/scj/anaconda3/envs/istnet/lib/python3.6/site-packages/gorilla/utils/init.py", line 5, in
from .gpu import (get_free_gpu, subprocess, set_cuda_visible_devices)
File "/home/scj/anaconda3/envs/istnet/lib/python3.6/site-packages/gorilla/utils/gpu.py", line 13, in
from gpustat import GPUStatCollection
File "/home/scj/anaconda3/envs/istnet/lib/python3.6/site-packages/gpustat/init.py", line 16, in
from .core import GPUStat, GPUStatCollection
File "/home/scj/anaconda3/envs/istnet/lib/python3.6/site-packages/gpustat/core.py", line 24, in
from gpustat.nvml import pynvml as N
File "/home/scj/anaconda3/envs/istnet/lib/python3.6/site-packages/gpustat/nvml.py", line 57, in
_original_nvmlGetFunctionPointer = pynvml._nvmlGetFunctionPointer
AttributeError: module 'pynvml' has no attribute '_nvmlGetFunctionPointer'

Process finished with exit code 1