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From: Andreas Perstinger <andipersti@gmail.com>
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Subject: Re: Receing a form variable as a list instead of as a string
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Xref: csiph.com comp.lang.python:47656

On 11.06.2013 12:38, Νικόλαος Κούρας wrote:
> but page is a form variable coming from a previous sumbitted form
> why the error says 'page' is a list?

RTFM:
"If the submitted form data contains more than one field with the same 
name, the object retrieved by form[key] is not a FieldStorage or 
MiniFieldStorage instance but a list of such instances. Similarly, in 
this situation, form.getvalue(key) would return a list of strings."
http://docs.python.org/3.3/library/cgi.html#using-the-cgi-module

Bye, Andreas