при импорте pymongo синтаксическая ошибка кто-нибудь может помочь с этим ? centos 6.5, python 3.3.4, pymongo 2.7.1, virtualenv

пробывал так

pip uninstall pymongo pip uninstall bson pip install pymongo

вот здесь проблема обозначена вроде бы, но что-то не очень понятно, как решается вопрос http://api.mongodb.org/python/current/python3.html#why-do-i-get-a-syntax-erro...

Python 3.3.4 (default, Feb 11 2014, 09:13:39)
on linux
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import pymongo

Traceback (most recent call last): File “<stdin>”, line 1, in <module> File “/usr/local/lib/python3.3/site-packages/pymongo/__init__.py”, line 92, in <module> from pymongo.connection import Connection File “/usr/local/lib/python3.3/site-packages/pymongo/connection.py”, line 39, in <module> from pymongo.mongo_client import MongoClient File “/usr/local/lib/python3.3/site-packages/pymongo/mongo_client.py”, line 46, in <module> from pymongo import (auth, File “/usr/local/lib/python3.3/site-packages/pymongo/pool.py”, line 22, in <module> from pymongo import thread_util File “/usr/local/lib/python3.3/site-packages/pymongo/thread_util.py”, line 31, in <module> from gevent.lock import BoundedSemaphore as GeventBoundedSemaphore File “/usr/local/lib/python3.3/site-packages/gevent/__init__.py”, line 36, in <module> from gevent.hub import get_hub, iwait, wait File “/usr/local/lib/python3.3/site-packages/gevent/hub.py”, line 282 except Exception, ex: ^ SyntaxError: invalid syntax