Please how do i fix this error?
#[derive(Debug, Clone)]
pub struct Paypal {
pub public_key: String,
pub secret_key: String,
pub payment: payment::Payment
}
impl Paypal {
pub fn new (public_key: String, secret_key: String) -> Self {
Paypal {
public_key,
secret_key,
payment: payment::Payment::new(public_key, secret_key),
}
}
}