stats.pearsonr Error？

[XiaoqiWang]

Hello! Running the paper as set up, I got the following error. It seems that the predicted values appear to be nan, why?
File "/home/wxq/project/NR_IQA/hyperIQA-master/hyperIQA-master/HyerIQASolver.py", line 112, in test
test_plcc, _ = stats.pearsonr(pred_scores, gt_scores)
File "/home/wxq/.local/lib/python3.8/site-packages/scipy/stats/stats.py", line 3530, in pearsonr
normxm = linalg.norm(xm)
File "/home/wxq/.local/lib/python3.8/site-packages/scipy/linalg/misc.py", line 142, in norm
a = np.asarray_chkfinite(a)
File "/home/wxq/conda/lib/python3.8/site-packages/numpy/lib/function_base.py", line 485, in asarray_chkfinite
raise ValueError(
ValueError: array must not contain infs or NaNs

[XiaoqiWang]

I updated my pytorch version from 1.7.0 to 1.9.0 and it doesn't report this error anymore