fix c api ut

Signed-off-by: he1pa <[email protected]>

kclvm/parser/src/lib.rs

@@ -863,7 +863,7 @@ fn find_packages(
                 suggestions.insert(
                     0,
                     format!(
-                        "try 'kcl mod add {}' to download the package not found",
+                        "try 'kcl mod add {}' to download the missing package",
                         pkg_name
                     ),
                 );

kclvm/sema/src/resolver/import.rs

@@ -9,7 +9,6 @@ use crate::{
 use indexmap::{IndexMap, IndexSet};
 use kclvm_ast::ast;
 use kclvm_error::*;
-use std::io::Write;
 use std::rc::Rc;
 use std::sync::Arc;
 use std::{cell::RefCell, path::Path};