Mechanize: First Form Works, Then "unknown GET Form Encoding Type 'utf-8'"

I am trying to fill out 2 forms from the EUR-Lex website in order to record some data from the generated webpage. I am stuck at form #2. I get the feeling this should be easy and I

Solution 1:

How I got past this problem:

I re-installed mechanize after changing the source

line 3233 of _form.py:

if (self.enctype != "application/x-www-form-urlencoded") and (self.enctype != "utf-8"):

it's probably very wrong and can only probably handle my case. but in my specific case it works.