If God directly causes you to sin, it does make him the "author" of sin (at least in the sense that people usually use the expression), but the "sinner" or "wrongdoer" is still you.
Since sin is the transgression of divine law, for God to be a sinner or wrongdoer in this case, he must decree a moral law that forbids himself to be the author of sin, and then when he acts as the author of sin anyway, he becomes a sinner or wrongdoer.
But unless this happens, for God to be the author of sin does not make him a sinner or wrongdoer. The terms "author," "sinner," "wrongdoer," and "tempter" are relatively precise... at least precise enough to be distinguished from one another, and for God to be the "author" of sin says nothing about whether he is also a "sinner," "wrongdoer," or a "tempter." And for one not to be a wrongdoer by definition means that he has not done wrong. Therefore, even if God is the author of sin, it does not automatically follow that there is anything wrong with it, or that he is a wrongdoer.
However, this is not to distance God from evil, for to "author" the sin implies far more control over the sinner and the sin than to merely tempt. Whereas the devil (or a person's (lust) may be the tempter, and the person might be the sinner, it is God who directly and completely controls both the tempter and the sinner, and the relationship between them.
And although God is not himself the tempter, he deliberately and sovereignly sends evil spirits to tempt and to torment. But in all of this, God is righteous by definition.