diff --git a/hidimstat/estimator/tests/test_Dnn_learner.py b/hidimstat/estimator/tests/test_Dnn_learner.py
index 8f131bd..e8dad38 100644
--- a/hidimstat/estimator/tests/test_Dnn_learner.py
+++ b/hidimstat/estimator/tests/test_Dnn_learner.py
@@ -1,4 +1,4 @@
-from hidimstat.estimator.test._utils_test import generate_data
+from hidimstat.estimator.tests._utils_test import generate_data
 from hidimstat.estimator.Dnn_learner import DnnLearner
 import numpy as np
 
diff --git a/hidimstat/estimator/tests/test_Dnn_learner_single.py b/hidimstat/estimator/tests/test_Dnn_learner_single.py
index 4f28b51..42037bf 100644
--- a/hidimstat/estimator/tests/test_Dnn_learner_single.py
+++ b/hidimstat/estimator/tests/test_Dnn_learner_single.py
@@ -1,4 +1,4 @@
-from hidimstat.estimator.test._utils_test import generate_data
+from hidimstat.estimator.tests._utils_test import generate_data
 from hidimstat.estimator.Dnn_learner_single import DnnLearnerSingle
 import numpy as np
 
diff --git a/hidimstat/estimator/tests/test_RandomForestModified.py b/hidimstat/estimator/tests/test_RandomForestModified.py
index e625316..37bdcf8 100644
--- a/hidimstat/estimator/tests/test_RandomForestModified.py
+++ b/hidimstat/estimator/tests/test_RandomForestModified.py
@@ -1,4 +1,4 @@
-from hidimstat.estimator.test._utils_test import generate_data
+from hidimstat.estimator.tests._utils_test import generate_data
 from hidimstat.estimator.RandomForestModified import RandomForestClassifierModified, RandomForestRegressorModified
 import numpy as np