Update torch_utils.py (#751)

utils/torch_utils.py

@@ -159,7 +159,7 @@ def load_classifier(name='resnet101', n=2):
     input_range = [0, 1]
     mean = [0.485, 0.456, 0.406]
     std = [0.229, 0.224, 0.225]
-    for x in [input_size, input_space, input_range, mean, std]:
+    for x in ['input_size', 'input_space', 'input_range', 'mean', 'std']:
         print(x + ' =', eval(x))
 
     # Reshape output to n classes