No you don't need it, but I don't think it would be incorrect to use it either. Personally I think the sentence is too short to use a comma there. I don't think there can be any confusion about the meaning and it flows more quickly without the comma.
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No you don't need it, but I don't think it would be incorrect to use it either. Personally I think the sentence is too short to use a comma there. I don't think there can be any confusion about the meaning and it flows more quickly without the comma. Using the comma seems like overkill to me, like you're trying to be too formal.