[Doc]:Add the necessary package of the code (#2764)

Signed-off-by: GitHub <[email protected]>
Co-authored-by: Svetlana Karslioglu <[email protected]>

Author: Aisuko

recipes_source/recipes/what_is_state_dict.py

@@ -52,6 +52,7 @@
 
 import torch
 import torch.nn as nn
+import torch.nn.functional as F
 import torch.optim as optim