in src/lib.rs [232:241]
fn convert_pt_u8_to_scalar(&self, pt: &DefaultFVPlaintext) -> FVPlaintext<T>{
if T::to_u64(&self.t) != 256u64{
panic!("plaintext modulus should be 256")
}
let mut pt1 = vec![];
for pt_coeff in pt.iter(){
pt1.push(T::from_u32(*pt_coeff as u32, &self.t));
}
pt1
}