From a30616a88db1ccc481cd5c8e4b78652df5c0f8cf Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Sun, 21 Aug 2005 11:26:14 +0000 Subject: SF bug #1249837: container methods raise KeyError not IndexError Minor clarification. --- Doc/ref/ref3.tex | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex index 6754c27..46388b2 100644 --- a/Doc/ref/ref3.tex +++ b/Doc/ref/ref3.tex @@ -1658,6 +1658,8 @@ If \var{key} is of an inappropriate type, \exception{TypeError} may be raised; if of a value outside the set of indexes for the sequence (after any special interpretation of negative values), \exception{IndexError} should be raised. +For mapping types, if \var{key} is missing (not in the container), +\exception{KeyError} should be raised. \note{\keyword{for} loops expect that an \exception{IndexError} will be raised for illegal indexes to allow proper detection of the end of the sequence.} -- cgit v0.12