diff --git a/non_functional_tests/test_sensors_factory.py b/non_functional_tests/test_sensors_factory.py
index 992be9cf..3e718572 100644
--- a/non_functional_tests/test_sensors_factory.py
+++ b/non_functional_tests/test_sensors_factory.py
@@ -50,9 +50,5 @@ class TestSensorsFactory(TestCase):
         update = pd.DataFrame([['2020-01-19 23:55:00', '12345.0']], columns=["Date time", "Energy consumption"])
         update = update.astype({"Date time": 'datetime64', "Energy consumption":'float64'})
         sensor.add_period(update)
-        row = sensor.measures.loc[sensor.measures["Date time"] == '2020-01-19 23:55:00']
-        print(row["Energy consumption"][0])
-        self.assertTrue(row[0]["Energy consumption"] is '12345.0')
-
-
-
+        row = sensor.measures.loc[sensor.measures["Date time"] == '2020-01-19 23:55:00']['Energy consumption'].iloc[0]
+        self.assertTrue(f'{row}' == '12345.0')