Remove unused Punctuated import

 warning: unused import: `syn::punctuated::Punctuated` --> serde_derive/src/internals/receiver.rs:5:5 | 5 | use syn::punctuated::Punctuated; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `#[warn(unused_imports)]` on by default Left by the previous commit. - let segments = mem::replace(&mut path.segments, Punctuated::new()); + let segments = mem::take(&mut path.segments);

Author: dtolnay

serde_derive/src/internals/receiver.rs

@@ -2,7 +2,6 @@ use crate::internals::respan::respan;
 use proc_macro2::Span;
 use quote::ToTokens;
 use std::mem;
-use syn::punctuated::Punctuated;
 use syn::{
  parse_quote, Data, DeriveInput, Expr, ExprPath, GenericArgument, GenericParam, Generics, Macro,
  Path, PathArguments, QSelf, ReturnType, Token, Type, TypeParamBound, TypePath, WherePredicate,