diff --git a/tests/test_colors.py b/tests/test_colors.py
index f3dd214a..ff170cc5 100644
--- a/tests/test_colors.py
+++ b/tests/test_colors.py
@@ -4,10 +4,15 @@ from slpkg.configs import Configs
 
 class TestColors(unittest.TestCase, Configs):
 
-    def setUp(self):
+    """ Test for colors.
+    """
+
+    def setUp(self) -> None:
         super(Configs, self).__init__()
 
-    def test_colors(self):
+    def test_colors(self) -> None:
+        """ Test colors.
+        """
         self.assertEqual('\033[32;5m', self.blink)
         self.assertEqual('\033[1m', self.bold)
         self.assertEqual('\x1b[91m', self.red)