Update libs/pose_viz.py

libs/pose_viz.py

@@ -38,6 +38,8 @@ def add_pose_display_meta(image,
     ratio = image.shape[1]/1280
     RADIUS = int(5*ratio)
     THICKNESS = int(4*ratio)
+    if THICKNESS < 1:
+        THICKNESS = 1
     for bbox, kpt in zip(bboxes, kpts):
 
         # format kpt