Merge pull request #28 from sunpeng52/patch-1

Change np.int to int

Author: jlyang1990

fasttreeshap/explainers/_tree.py

@@ -1593,7 +1593,7 @@ def __init__(self, xgb_model):
  self.loss_chg.append(np.zeros(self.num_nodes[i], dtype=np.float32))
  self.sum_hess.append(np.zeros(self.num_nodes[i], dtype=np.float32))
  self.base_weight.append(np.zeros(self.num_nodes[i], dtype=np.float32))
- self.leaf_child_cnt.append(np.zeros(self.num_nodes[i], dtype=np.int))
+ self.leaf_child_cnt.append(np.zeros(self.num_nodes[i], dtype=int))
  for j in range(self.num_nodes[i]):
  self.loss_chg[-1][j] = self.read('f')
  self.sum_hess[-1][j] = self.read('f')