KeyError: On clicking "manage login methods"

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When i tried to click "manage login methods" in ask.fedoraproject.org i get the following exception http://sagarun.fedorapeople.org/misc/KeyError%20at%20accountsignin.html

Here is how we can reproduce this,

1. signup for askbot using google;s open id
2. Logout
3. Login again using another open id provider (emailid is same as the first open id provider)
4. Goto http://ask.fedoraproject.org/user/id/name
5. click "manage login methods"

Here is the discussion about the issue from ask.fedoraproject.org ask.fedoraproject.org/question/23/how-do-i-link-my-open-id-and-gmail-id-to-use-with