From: Mark Dickinson <mdickinson@enthought.com>
Date: Sat, 10 Mar 2012 16:09:35 +0000 (+0000)
Subject: Closes #9574: Note that complex constructor doesn't allow whitespace around central... 
X-Git-Tag: v3.3.0a2~243^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=328dd0d5f3d20c01d85675f6e5d1001dd2a04480;p=python

Closes #9574: Note that complex constructor doesn't allow whitespace around central operator.
---

diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index f835dcfc71..3fcd6941c2 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -247,6 +247,13 @@ are always available.  They are listed here in alphabetical order.
    the function serves as a numeric conversion function like :func:`int`
    and :func:`float`.  If both arguments are omitted, returns ``0j``.
 
+   .. note::
+
+      When converting from a string, the string must not contain whitespace
+      around the central ``+`` or ``-`` operator.  For example,
+      ``complex('1+2j')`` is fine, but ``complex('1 + 2j')`` raises
+      :exc:`ValueError`.
+
    The complex type is described in :ref:`typesnumeric`.