Apply alias check for Boolean literals

Author: sharkdp

crates/ty_python_semantic/src/types/enums.rs

@@ -194,7 +194,10 @@ pub(crate) fn enum_metadata<'db>(
             // we don't know if it's a duplicate or not.
             if matches!(
                 value_ty,
-                Type::IntLiteral(_) | Type::StringLiteral(_) | Type::BytesLiteral(_)
+                Type::BooleanLiteral(_)
+                    | Type::IntLiteral(_)
+                    | Type::StringLiteral(_)
+                    | Type::BytesLiteral(_)
             ) {
                 if let Some(previous) = enum_values.insert(value_ty, name.clone()) {
                     aliases.insert(name.clone(), previous);