Fix python: remove weird char at the end of line

There was the character \xc2 at the end of one line that caused an
import error on some ubuntu distros.

Reported-by: Francis Giraldeau <francis.giraldeau@gmail.com>
Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Fix: Variable name typo in SequenceField and Event classes

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>