diff --git a/topi/python/topi/vision/nms.py b/topi/python/topi/vision/nms.py
index 2f2cc52207d54..89d9a40f43d9a 100644
--- a/topi/python/topi/vision/nms.py
+++ b/topi/python/topi/vision/nms.py
@@ -351,7 +351,8 @@ def hybrid_nms(data, sorted_index, valid_count, indices, batch_size, num_anchors
                     a_b = max(output[batch_idx, box_a_idx, box_start_idx + 1],
                               output[batch_idx, box_a_idx, box_start_idx + 3])
 
-                    # check if current box j is valid by calculating iou with all existing valid boxes
+                    # check if current box j is valid by calculating iou with
+                    # all existing valid boxes
                     for k in parallel(j):
                         check_iou = 0
                         if is_valid_box == 1 and k < j and output[i, k, score_index] > 0 \