minor cleanups

Author: gpshead

Doc/library/exceptions.rst

@@ -177,7 +177,7 @@ The following exceptions are used mostly as base classes for other exceptions.
          Traceback (most recent call last):
            File "<python-input-0>", line 1, in <module>
              raise RuntimeError("example")
-         RuntimeError: example <@2025-02-08T01:21:28.675309>
+         RuntimeError: example <@2025-02-08T01:21:28.675309Z>
 
       With ``PYTHON_TRACEBACK_TIMESTAMPS=ns`` in the environment ::
 

Lib/test/test_sys.py

@@ -863,11 +863,7 @@ def test_sys_flags(self):
                  "warn_default_encoding", "safe_path", "int_max_str_digits")
         for attr in attrs:
             self.assertTrue(hasattr(sys.flags, attr), attr)
-            match attr:
-                case "dev_mode" | "safe_path":
-                    attr_type = bool
-                case _:
-                    attr_type = int
+            attr_type = bool if attr in ("dev_mode", "safe_path") else int
             self.assertEqual(type(getattr(sys.flags, attr)), attr_type, attr)
         self.assertTrue(repr(sys.flags))
         self.assertEqual(len(sys.flags), len(attrs))

Lib/traceback.py

@@ -205,7 +205,7 @@ def _timestamp_formatter(ns):
 
 # The regular expression to match timestamps as formatted in tracebacks.
 # Not compiled to avoid importing the re module by default.
-TIMESTAMP_AFTER_EXC_MSG_RE_GROUP = r"(?P<timestamp> <@[0-9:.Tsnu-]{18,26}>)"
+TIMESTAMP_AFTER_EXC_MSG_RE_GROUP = r"(?P<timestamp> <@[0-9:.Tsnu-]{18,26}Z?>)"
 
 
 def strip_exc_timestamps(output):