diff --git a/utils/utils.py b/utils/utils.py
index 67eaed19..79737fb3 100755
--- a/utils/utils.py
+++ b/utils/utils.py
@@ -30,7 +30,6 @@ def modelinfo(model):
     print('\n%g layers, %g parameters, %g gradients' % (i + 1, nparams, ngradients))
 
 
-
 def xview_class_weights(indices):  # weights of each class in the training set, normalized to mu = 1
     weights = 1 / torch.FloatTensor(
         [74, 364, 713, 71, 2925, 209767, 6925, 1101, 3612, 12134, 5871, 3640, 860, 4062, 895, 149, 174, 17, 1624, 1846,
@@ -40,7 +39,6 @@ def xview_class_weights(indices):  # weights of each class in the training set,
     return weights[indices]
 
 
-
 def plot_one_box(x, im, color=None, label=None, line_thickness=None):
     tl = line_thickness or round(0.003 * max(im.shape[0:2]))  # line thickness
     color = color or [random.randint(0, 255) for _ in range(3)]