Update ace.py

ace.py

@@ -41,10 +41,8 @@ class MockupDataset(datasets.GeneratorBasedBuilder):
     VERSION = datasets.Version("0.0.0")
     BUILDER_CONFIGS = []
     
-    def __init__(self, name=None, data_config=None, **kwargs):
+    def __init__(self, name=None, data_config={}, **kwargs):
         super().__init__(**kwargs)
-
-        print(data_config)
         
         if 'length' not in data_config:
             data_config['length'] = 20