Remove output_margin from XGBClassifier.predict_proba argument list. (#3343)
Remove output_margin from XGBClassifier.predict_proba argument list. (#3343)


dmlc/xgboost,dmlc/xgboost,dmlc/xgboost,dmlc/xgboost,dmlc/xgboost,dmlc/xgboost