diff options
Diffstat (limited to 'Doc/library/sys.rst')
| -rw-r--r-- | Doc/library/sys.rst | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index f0e551e..5d40d5e 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -127,13 +127,12 @@ always available. .. index:: object: traceback - If no exception is being handled anywhere on the stack, a tuple containing three - ``None`` values is returned. Otherwise, the values returned are ``(type, value, - traceback)``. Their meaning is: *type* gets the exception type of the exception - being handled (a class object); *value* gets the exception parameter (its - :dfn:`associated value` or the second argument to :keyword:`raise`, which is - always a class instance if the exception type is a class object); *traceback* - gets a traceback object (see the Reference Manual) which encapsulates the call + If no exception is being handled anywhere on the stack, a tuple containing + three ``None`` values is returned. Otherwise, the values returned are + ``(type, value, traceback)``. Their meaning is: *type* gets the type of the + exception being handled (a subclass of :exc:`BaseException`); *value* gets + the exception instance (an instance of the exception type); *traceback* gets + a traceback object (see the Reference Manual) which encapsulates the call stack at the point where the exception originally occurred. .. warning:: @@ -495,9 +494,7 @@ always available. more information.) The meaning of the variables is the same as that of the return values from - :func:`exc_info` above. (Since there is only one interactive thread, - thread-safety is not a concern for these variables, unlike for ``exc_type`` - etc.) + :func:`exc_info` above. .. data:: maxsize |