Fix prediction from loaded pickle. (#4516)

2019-05-30 15:05:09 +08:00
parent fed665ae8a
commit b48f895027
3 changed files with 53 additions and 8 deletions
--- a/include/xgboost/learner.h
+++ b/include/xgboost/learner.h
@@ -119,7 +119,7 @@ class Learner : public rabit::Serializable {
                       bool pred_leaf = false,
                       bool pred_contribs = false,
                       bool approx_contribs = false,
-                       bool pred_interactions = false) const = 0;
+                       bool pred_interactions = false) = 0;

  /*!
   * \brief Set additional attribute to the Booster.