UnicodeError: ASCII decoding error: ordinal not in range(128)

[eugene kim]

thank you for helping me..
i'm sure that i encoded all strings to unicode
(title,url)
but it still gives me error..
=)

this is so cool.. what module do i need to use?
pypgsql?(yet another question, how do i check which module i have in my 
current system?)
(one more irrelevant question: is this also possible in java?)
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cursor.execute("insert into history (col1, col1, col3) values (%s, %s, %s)",
                 (self.url, self.title, self.firsttime))