message: fix deprecated alias np.int to np.int32
diff: @@ -142,10 +142,10 @@ class DBPostProcess(object):
  def box_score_fast(self, bitmap, _box):
  h, w = bitmap.shape[:2]
  box = _box.copy()
  - xmin = np.clip(np.floor(box[:, 0].min()).astype(np.int), 0, w - 1)
  - xmax = np.clip(np.ceil(box[:, 0].max()).astype(np.int), 0, w - 1)
  - ymin = np.clip(np.floor(box[:, 1].min()).astype(np.int), 0, h - 1)
  - ymax = np.clip(np.ceil(box[:, 1].max()).astype(np.int), 0, h - 1)
  + xmin = np.clip(np.floor(box[:, 0].min()).astype(np.int32), 0, w - 1)
  + xmax = np.clip(np.ceil(box[:, 0].max()).astype(np.int32), 0, w - 1)
  + ymin = np.clip(np.floor(box[:, 1].min()).astype(np.int32), 0, h - 1)
  + ymax = np.clip(np.ceil(box[:, 1].max()).astype(np.int32), 0, h - 1)
  mask = np.zeros((ymax - ymin + 1, xmax - xmin + 1), dtype=np.uint8)
  box[:, 0] = box[:, 0] - xmin
  