Fix.

Author: sisshiki1969

src/vm/executor/ops.rs

@@ -5,7 +5,6 @@ use num::{bigint::ToBigInt, ToPrimitive};
 use std::ops::Add;
 use std::ops::Mul;
 use std::ops::Sub;
-use divrem::DivFloor;
 
 macro_rules! exec_op_i {
     ($vm:ident, $iseq:ident, $i:ident, $op:ident, $id:expr) => {