diff --git a/force_bdss/core/data_value.py b/force_bdss/core/data_value.py
index f360446aa6bfd6956064be9097cb3a541a869dd0..7aa84b4ec0eea936e200fbfa75415138d4bd531a 100644
--- a/force_bdss/core/data_value.py
+++ b/force_bdss/core/data_value.py
@@ -1,4 +1,4 @@
-from traits.api import HasStrictTraits, Any, String, Int, Enum
+from traits.api import HasStrictTraits, Any, String, Enum
 
 
 class DataValue(HasStrictTraits):
diff --git a/force_bdss/core/tests/test_data_value.py b/force_bdss/core/tests/test_data_value.py
index c4aa5490a63ba709a442f8c46eafd867c326eb78..597870638d41ef824d1a17fb5851dc5d80ea6363 100644
--- a/force_bdss/core/tests/test_data_value.py
+++ b/force_bdss/core/tests/test_data_value.py
@@ -10,4 +10,3 @@ class TestDataValue(unittest.TestCase):
         self.assertEqual(dv.value, None)
         self.assertEqual(dv.accuracy, None)
         self.assertEqual(dv.quality, "AVERAGE")
-
diff --git a/force_bdss/core_plugins/dummy/csv_extractor/tests/test_csv_extractor_data_source.py b/force_bdss/core_plugins/dummy/csv_extractor/tests/test_csv_extractor_data_source.py
index f619f45cddb48a9b76b4e373d07f68a145b32d01..a498b9e7e6ab847df6fc2c16ce47ce444c03eeb6 100644
--- a/force_bdss/core_plugins/dummy/csv_extractor/tests/test_csv_extractor_data_source.py
+++ b/force_bdss/core_plugins/dummy/csv_extractor/tests/test_csv_extractor_data_source.py
@@ -50,5 +50,3 @@ class TestCSVExtractorDataSource(unittest.TestCase):
         model.column = 50
         with self.assertRaises(IndexError):
             ds.run(model, mock_params)
-
-