[issue4907] ast.literal_eval does not properly handled complex numbers

[Armin Ronacher]

Armin Ronacher <armin.ronacher at active-4.com> added the comment:

literal_eval has eval() semantics and not complex() constructor
semantics.  It accepts what eval() accepts just without arithmetic and
unsafe features.

For exmaple "(2 + 4j)" is perfectly fine even though the complex call
only supports "2+4j" (no parentheses and whitespace).

I commit the fix with the ValueError except Georg suggested.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4907>
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