diff --git a/src/tests/test_io/test_data_container/test_data_container.py b/src/tests/test_io/test_data_container/test_data_container.py
index 9b41c9e90da863c5b8c268aff8405a0b70955025..0d3943fb1fe3697a3122f6be8e914476e5b0ef2f 100644
--- a/src/tests/test_io/test_data_container/test_data_container.py
+++ b/src/tests/test_io/test_data_container/test_data_container.py
@@ -1250,7 +1250,7 @@ class TestDataContainer(unittest.TestCase):
         result = DataContainer.from_csv(filename)
         self.assertIsInstance(result, DataContainer)
         self.assertIsInstance(result.header, dict)
-        self.assertEquals(result.__repr__(), data.__repr__())
+        self.assertEqual(result.__repr__(), data.__repr__())
 
     def test_json(self):
         filename = f"{datadir}/TestCSV.csv"
@@ -1268,7 +1268,7 @@ class TestDataContainer(unittest.TestCase):
         result = DataContainer.from_json(filename)
         self.assertIsInstance(result, DataContainer)
         self.assertIsInstance(result.header, dict)
-        self.assertEquals(result.values.__repr__(), data.values.__repr__())
+        self.assertEqual(result.values.__repr__(), data.values.__repr__())
 
     def test_combine_header(self):
         self.base.header["Info"] = ("Test1", 4, "Test2")