fix syntax errors in twitter_user_poller
fix syntax errors in twitter_user_poller

Change-Id: I5a71c81125eb51e9deb89e8f46e7f098b30f19f1
Reviewed-on: https://gerrit.instructure.com/4213
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

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