gen update

mimir-core.py

@@ -37,7 +37,7 @@ class MimirCoreConfig(datasets.BuilderConfig):
         )
 
 
-class MimirCore(datasets.GeneratorCoredBuilder):
+class MimirCore(datasets.GeneratorBasedBuilder):
     """Mimir Core v1."""
     BUILDER_CONFIGS = [MimirCoreConfig()] + [MimirCoreConfig(segment) for segment in _SEGMENTS]
     BUILDER_CONFIG_CLASS = MimirCoreConfig