fixed correct next data for 09_dataloader

Author: patrickloeber

09_dataloader.py

@@ -66,7 +66,7 @@ def __len__(self):
 # convert to an iterator and look at one random sample
 dataiter = iter(train_loader)
 data = dataiter.next()
-features, labels = first_data
+features, labels = data
 print(features, labels)
 
 # Dummy Training loop