[issue3462] test_builtin fails after test_decimal

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Ok, I've found it:

« But why is __builtins__ a module in __main__ and a dict elsewhere?
Because in *interactive* mode, printing vars() would include
__builtins__, which would be rather large. Code that incorrectly
assumes it's always one or the other is incorrect and has always been
incorrect; the wart was present when this feature first appeared.
Since this has never been documented AFAIK, it's probably just been
(incorrectly) reverse-engineered and copied around. »

http://mail.python.org/pipermail/python-3000/2007-March/006170.html

:-S

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