Yoga Classes in Paris?

Hi All,
I just moved to Paris (5th Arr.) for the next 3 months and I was hoping to find a place that offers affordable yoga classes. Part of the problem is that I do not speak French (working on it) and so navigating the Internet has proven difficult. Does anyone have suggestions? I'm not really looking for a membership, more something I can do once or twice a week. I'm a total beginner, so no yogi master classes for me =)