update CsstStatus example

csst_common/status.py

@@ -8,6 +8,7 @@ Modified-History:
     2022-10-04, Bo Zhang, created
     2022-10-04, Bo Zhang, added CsstStatus
     2022-10-07, Bo Zhang, added Numpydoc docstring
+    2023-12-19, Bo Zhang, updated example
 """
 from enum import IntEnum
 from typing import Optional, Any
@@ -22,16 +23,15 @@ class CsstStatus(IntEnum):
 
     Examples
     --------
-    >>> def f(num):
-    >>>     if num > 0:
-    >>>         return CsstStatus.PERFECT
-    >>>     return CsstStatus.ERROR
+    >>> CsstStatus(0) # SUCCESS
+    >>> CsstStatus(1) # WARNING
+    >>> CsstStatus(2) # ERROR
     """
 
+    # status list to be completed
     PERFECT = 0
     WARNING = 1
     ERROR = 2
-    # status list to be completed
 
 
 class CsstResult: