Update ref-metrics.py

ref-metrics.py

@@ -108,17 +108,17 @@ class UserFriendlyMetrics(evaluate.Metric):
     def dummy_values(self, area_ranges_tuples=None):
         # Dummy randome values in the expected format that all new metrics need to return
         # Default area ranges if not provided
-        default_area_ranges = [
+
+        
+        # Use default ranges if none are provided
+        if area_ranges_tuples is None:
+            area_ranges_tuples = [
             ("all", [0, 1e5**2]),
             ("small", [0**2, 6**2]),
             ("medium", [6**2, 12**2]),
             ("large", [12**2, 1e5**2]),
         ]
         
-        # Use default ranges if none are provided
-        if area_ranges_tuples is None:
-            area_ranges_tuples = default_area_ranges
-        
         # Generate random dummy values
         def generate_random_values():
             return {