[Python-Dev] Rationale for different signatures of tuple.__new__ and namedtuple.__new__

Hi, I can do tuple([1,2,3]) but not: from collections import namedtuple namedtuple('B', 'x y z')([1,2,3]) I get a TypeError: __new__() takes exactly 4 arguments (2 given) However I can do: namedtuple('B', 'x y z')._make([1,2,3]) So namedtuple's _make classmethod looks a lot like tuple's __ne

[Python-Dev] *** glibc detected *** gdb: malloc(): smallbin double linked list

Hi, I've compiled Python 2.7 (r27:82500, Nov 2 2010, 09:00:37) [GCC 4.4.3] on linux2 with the following configure options ./configure --prefix=/home/john/local/python-dbg --with-pydebug I've installed numpy and some other packages but when I try to run my extension code under gdb I get the er