can't run this code

[mlotfi2005]

Hi,
I am new learning sockets, I found your code, downloaded it when tried to run it I got 👍

Traceback (most recent call last):
File "C:/Users/alotfi/PycharmProjects/ssedemo-master/sse_server.py", line 2, in
import gevent
File "C:\Users\alotfi\AppData\Roaming\Python\Python33\site-packages\gevent__init__.py", line 41, in
from gevent.hub import get_hub, iwait, wait
File "C:\Users\alotfi\AppData\Roaming\Python\Python33\site-packages\gevent\hub.py", line 289
except Exception, ex:
^
SyntaxError: invalid syntax

Thanks