diff --git a/navipy/database/test.py b/navipy/database/test.py
index 3a62e97f642b66822eef3d662f9c7b76d6b15779..44dca8b0e2168b09004afdfef5309884acf3440c 100644
--- a/navipy/database/test.py
+++ b/navipy/database/test.py
@@ -49,11 +49,11 @@ class TestCase(unittest.TestCase):
             DataBase('test', ['R', 'B'])
 
     def test_table_exist(self):
-        #self.assertFalse(self.mydb.table_exist('testblubb'))
+        # self.assertFalse(self.mydb.table_exist('testblubb'))
         for n in [2, 7.0, None, np.nan]:
             with self.assertRaises(TypeError):
                 self.assertFalse(self.mydb.table_exist(n))
-        #self.assertFalse(self.mydb.table_exist(self.mydb_filename))
+        # self.assertFalse(self.mydb.table_exist(self.mydb_filename))
 
     def test_check_data_validity(self):
         for n in [7.0, None, np.nan]: