Update Lib/test/test__colorize.py

Co-authored-by: Hugo van Kemenade <[email protected]>

Author: serhiy-storchaka

Lib/test/test__colorize.py

@@ -14,6 +14,7 @@ def clear_env():
             mock_env.unset(var)
         yield mock_env
 
+
 def supports_virtual_terminal():
     if sys.platform == "win32":
         return unittest.mock.patch("nt._supports_virtual_terminal", return_value=True)