fix unclosed paren that made quizzes not work in speedGrader
fix unclosed paren that made quizzes not work in speedGrader

fixes: #3919

Change-Id: If43e00d1553572ddf3e5aa140292636e5e988051
Reviewed-on: https://gerrit.instructure.com/2461
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Brian Whitmer <760e7dab2836853c63805033e514668301fa9c47@instructure.com>
Reviewed-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@instructure.com>

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