Update README.md

Here, It creates an issue that :
NameError: name 'outputs' is not defined
Here it takes the variable predictions instead of outputs, I change it .

README.md

@@ -41,7 +41,7 @@ model.eval()
 with torch.no_grad():
   prediction = model(**x)
 
-label = torch.argmax(outputs[0]).item()
+label = torch.argmax(prediction[0]).item()
 
 print(f"Label: {label}")
 ```