fix unused import

Author: brettmc

tests/integration/src/classes.rs

@@ -15,7 +15,6 @@ use phper::{
     },
     functions::Argument,
     modules::Module,
-    types::ReturnTypeHint,
     values::ZVal,
 };
 use std::{collections::HashMap, convert::Infallible};
@@ -205,6 +204,8 @@ fn integrate_static_props(module: &mut Module) {
 #[cfg(phper_major_version = "8")]
 fn integrate_stringable(module: &mut Module) {
     use phper::functions::ReturnType;
+    use phper::types::ReturnTypeHint;
+
 
     let mut cls = ClassEntity::new(r"IntegrationTest\FooString");
     cls.implements(|| ClassEntry::from_globals("Stringable").unwrap());