Upload arhythmia.py

arhythmia.py

@@ -351,4 +351,4 @@ class Arrhythmia(datasets.GeneratorBasedBuilder):
         data = data[(data.t != "?") & (data.qrst != "?") & (data.p != "?") & (data.j != "?") & (data.heart_rate != "?")]
         data = data.astype({"t": int, "qrst": int, "p": int, "j": int, "heart_rate": int})
 
-        return data[list(features_types_per_config["income"].keys())]
+        return data[list(features_types_per_config[config].keys())]