diff --git a/yolo3_one_file_to_detect_them_all.py b/yolo3_one_file_to_detect_them_all.py
index 17ca64e22..3df17bf74 100644
--- a/yolo3_one_file_to_detect_them_all.py
+++ b/yolo3_one_file_to_detect_them_all.py
@@ -1,5 +1,5 @@
 import argparse
-import os
+import os, sys
 import numpy as np
 from keras.layers import Conv2D, Input, BatchNormalization, LeakyReLU, ZeroPadding2D, UpSampling2D
 from keras.layers.merge import add, concatenate
@@ -7,7 +7,7 @@
 import struct
 import cv2
 
-np.set_printoptions(threshold=np.nan)
+np.set_printoptions(threshold=sys.maxsize)
 os.environ["CUDA_DEVICE_ORDER"]="PCI_BUS_ID"
 os.environ["CUDA_VISIBLE_DEVICES"]="0"