Escaping confusion with Python 3 + MySQL

[Νίκος Βέργος]

Τη Κυριακή, 26 Μαρτίου 2017 - 8:06:07 μ.μ. UTC+3, ο χρήστης INADA Naoki έγραψε:
> Read my mail again.
> 
> > This error came from MySQL.  If there are no logs in error_log, it's
> > your configuration issue.
> 
> > See https://dev.mysql.com/doc/refman/5.7/en/update.html for Update
> > statement syntax.

I cannot understand where the error is.
Could you how it to me please?