diff --git a/crates/ruff_linter/src/codes.rs b/crates/ruff_linter/src/codes.rs
index e77971ddd5..2ec717a4fa 100644
--- a/crates/ruff_linter/src/codes.rs
+++ b/crates/ruff_linter/src/codes.rs
@@ -270,7 +270,7 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Pylint, "R1722") => (RuleGroup::Stable, rules::pylint::rules::SysExitAlias),
         (Pylint, "R1730") => (RuleGroup::Stable, rules::pylint::rules::IfStmtMinMax),
         (Pylint, "R1716") => (RuleGroup::Stable, rules::pylint::rules::BooleanChainedComparison),
-        (Pylint, "R1733") => (RuleGroup::Preview, rules::pylint::rules::UnnecessaryDictIndexLookup),
+        (Pylint, "R1733") => (RuleGroup::Stable, rules::pylint::rules::UnnecessaryDictIndexLookup),
         (Pylint, "R1736") => (RuleGroup::Stable, rules::pylint::rules::UnnecessaryListIndexLookup),
         (Pylint, "R2004") => (RuleGroup::Stable, rules::pylint::rules::MagicValueComparison),
         (Pylint, "R2044") => (RuleGroup::Stable, rules::pylint::rules::EmptyComment),
diff --git a/crates/ruff_linter/src/rules/ruff/rules/unused_async.rs b/crates/ruff_linter/src/rules/ruff/rules/unused_async.rs
index a3de93719e..b7c55dc0b0 100644
--- a/crates/ruff_linter/src/rules/ruff/rules/unused_async.rs
+++ b/crates/ruff_linter/src/rules/ruff/rules/unused_async.rs
@@ -7,6 +7,7 @@ use ruff_python_semantic::analyze::function_type::is_stub;
 
 use crate::Violation;
 use crate::checkers::ast::Checker;
+
 use crate::rules::fastapi::rules::is_fastapi_route;
 
 /// ## What it does