No module named 'matplotlib' after I download matplotlib

[Tizzzzy]

(env_pytorch) C:\Users\super\OneDrive\Desktop\research\sqlova>python3 train.py --seed 1 --bS 16 --accumulate_gradients 2 --bert_type_abb uS --fine_tune --lr 0.001 --lr_bert 0.00001 --max_seq_leng 222
Traceback (most recent call last):
File "C:\Users\super\OneDrive\Desktop\research\sqlova\train.py", line 10, in
from matplotlib.pylab import *
ModuleNotFoundError: No module named 'matplotlib'