diff --git a/semantic_router/layer.py b/semantic_router/layer.py
index 694f4ebe0d80e4303a5ad07a61d23afa454f0f24..186b32d0e8b829aced4fa1e2caeb7d75bf048b14 100644
--- a/semantic_router/layer.py
+++ b/semantic_router/layer.py
@@ -110,9 +110,9 @@ class LayerConfig:
                     llm_class = getattr(llm_module, llm_data["class"])
                     # Instantiate the LLM class with the provided model name
                     llm = llm_class(name=llm_data["model"])
-                    route_data["llm"] = (
-                        llm  # Reassign the instantiated llm object back to route_data
-                    )
+                    route_data[
+                        "llm"
+                    ] = llm  # Reassign the instantiated llm object back to route_data
 
                 # Dynamically create the Route object using the remaining route_data
                 route = Route(**route_data)