Well, yes it would be, if jailing her were done as an exercise of political will.
No, if it was done because she broke the law. It's the President's job to see that the law is faithfully executed, a fact apparently forgotten in recent years.
Tyranny lies just as much in not enforcing the law on the connected as in any potential for unfair enforcement against the disfavored. Tyranny, and its attendant corruption, are just what we are witnessing in Clinton's case now.