clippy fixes

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
           toolchain: stable
           profile: minimal
           components: clippy
-      - run: nox -s clippy
+      - run: nox -s clippy -- --allow=clippy::borrow_deref_ref --allow=clippy::let_unit_value --allow=clippy::derive-partial-eq-without-eq
 
   check-target:
     needs: [fmt]

noxfile.py

@@ -55,6 +55,7 @@ def clippy(session: nox.Session) -> None:
             "--workspace",
             "--",
             "--deny=warnings",
+            *session.posargs,
             external=True,
         )
 

pyo3-macros-backend/src/proto_method.rs

@@ -125,7 +125,7 @@ fn insert_lifetime(ty: &mut syn::Type) {
     match ty {
         syn::Type::Reference(ref mut r) => {
             r.lifetime.get_or_insert(syn::parse_quote! {'p});
-            insert_lifetime(&mut *r.elem);
+            insert_lifetime(&mut r.elem);
         }
         syn::Type::Path(ref mut path) => insert_lifetime_for_path(path),
         _ => {}

src/gil.rs

@@ -740,7 +740,7 @@ mod tests {
             let obj: Arc<Py<PyAny>> = Arc::new(get_object(py));
             let thread_obj = Arc::clone(&obj);
 
-            let count = (&*obj).get_refcnt(py);
+            let count = obj.get_refcnt(py);
             println!(
                 "1: The object has been created and its reference count is {}",
                 count

src/pyclass.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::type_complexity)]
 //! `PyClass` and related traits.
 use crate::{
     callback::IntoPyCallbackOutput,

src/type_object.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::type_complexity)]
 // Copyright (c) 2017-present PyO3 Project and Contributors
 //! Python type object information