Optimize use of lowercase in src/guidellm/utils/registry.py

Co-authored-by: Samuel Monson <[email protected]>
Signed-off-by: Jared O'Connell <[email protected]>

Author: jaredoconnell

src/guidellm/utils/registry.py

@@ -211,8 +211,9 @@ def get_registered_object(cls, name: str) -> RegistryObjT | None:
         if name in cls.registry:
             return cls.registry[name]
 
+        name_casefold = name.lower()
         for k, v in cls.registry.items():
-            if name.lower() == k.lower():
+            if name_casefold == k.lower():
                 return v
 
         return None  # Not found