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Issue #20624: Exception docs wording tweak - clarify that it's okay to inherit from a subclass of Exception.

This commit is contained in:
Mark Dickinson 2014-04-14 11:20:12 -04:00
parent 604453c9ce
commit abf079de25
1 changed files with 4 additions and 4 deletions
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Doc/library/exceptions.rst
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@ -28,10 +28,10 @@ handler or to report an error condition "just like" the situation in which the
interpreter raises the same exception; but beware that there is nothing to
prevent user code from raising an inappropriate error.
The built-in exception classes can be sub-classed to define new exceptions;
programmers are encouraged to at least derive new exceptions from the
:exc:`Exception` class and not :exc:`BaseException`. More information on
defining exceptions is available in the Python Tutorial under
The built-in exception classes can be subclassed to define new exceptions;
programmers are encouraged to derive new exceptions from the :exc:`Exception`
class or one of its subclasses, and not from :exc:`BaseException`. More
information on defining exceptions is available in the Python Tutorial under
:ref:`tut-userexceptions`.
When raising (or re-raising) an exception in an :keyword:`except` clause