Fix clippy

crates/red_knot_python_semantic/src/types/string_annotation.rs

@@ -1,7 +1,7 @@
 use ruff_db::source::source_text;
 use ruff_python_ast::str::raw_contents;
 use ruff_python_ast::{self as ast, ModExpression};
-use ruff_python_parser::{parse_string_annotation, Parsed};
+use ruff_python_parser::Parsed;
 use ruff_text_size::Ranged;
 
 use crate::declare_lint;
@@ -153,7 +153,8 @@ pub(crate) fn parse_string_annotation(
         } else if raw_contents(node_text)
             .is_some_and(|raw_contents| raw_contents == string_literal.as_str())
         {
-            let parsed = parse_string_annotation(source.as_str(), string_literal);
+            let parsed =
+                ruff_python_parser::parse_string_annotation(source.as_str(), string_literal);
             match parsed {
                 Ok(parsed) => return Some(parsed),
                 Err(parse_error) => context.report_lint(

crates/ruff_python_parser/src/lexer.rs

@@ -1317,11 +1317,7 @@ impl<'src> Lexer<'src> {
         // First of all, we need all nestings to be finished.
         // For Mode::ParenthesizedExpression we start with nesting level 1.
         // So we check if we end with that level.
-        let init_nesting = if self.mode == Mode::ParenthesizedExpression {
-            1
-        } else {
-            0
-        };
+        let init_nesting = u32::from(self.mode == Mode::ParenthesizedExpression);
 
         if self.nesting > init_nesting {
             // Reset the nesting to avoid going into infinite loop.