fix unnecessary use
@@ -20,7 +20,6 @@ pub fn tupdesc_get_typmod(tupdesc: &PgBox<pg_sys::TupleDescData>, attno: usize)
#[cfg(feature = "pg10")]
mod v10 {
use crate::{pg_sys, PgBox};
- use std::borrow::Borrow;
/// [attno] is 0-based
#[inline]
