WIP: Resolve "Adding new datasets"

code/bolsonaro/trainer.py

@@ -80,12 +80,14 @@ class Trainer(object):
             OmpForestBinaryClassifier, OmpForestMulticlassClassifier.
         :return:
         """
-
         self._logger.debug('Training model using train set...')
         self._begin_time = time.time()
         if type(model) in [RandomForestRegressor, RandomForestClassifier]:
             if extracted_forest_size is not None:
-                model.estimators_ = np.random.choice(model.estimators_, extracted_forest_size)
+                estimators_index = np.arange(1000)
+                np.random.shuffle(estimators_index)
+                choosen_estimators = estimators_index[:extracted_forest_size]
+                model.estimators_ = np.array(model.estimators_)[choosen_estimators]
             else:
                 model.fit(
                     X=self._X_forest,