message: Fixed that object_detection.py does not work in python3.
diff: @@ -142,8 +142,8 @@ def postprocess(frame, outs):
  center_y = int(detection[1] * frameHeight)
  width = int(detection[2] * frameWidth)
  height = int(detection[3] * frameHeight)
  - left = center_x - width / 2
  - top = center_y - height / 2
  + left = int(center_x - width / 2)
  + top = int(center_y - height / 2)
  classIds.append(classId)
  confidences.append(float(confidence))
  boxes.append([left, top, width, height])
  