Update isolet.py

isolet.py

@@ -65,8 +65,8 @@ class Isolet(datasets.GeneratorBasedBuilder):
     def _generate_examples(self, filepath: str):
         data = pandas.read_csv(filepath + "/isolet1+2+3+4.data", header=None).infer_objects()
         data = self.preprocess(data, config=self.config.name)
-        print(f"reading {filepath}/isolet1+2+3+4.data")
-
+        print(data.dtypes)
+        
         for row_id, row in data.iterrows():
             data_row = dict(row)
 
@@ -75,7 +75,7 @@ class Isolet(datasets.GeneratorBasedBuilder):
     def preprocess(self, data: pandas.DataFrame, config: str = DEFAULT_CONFIG) -> pandas.DataFrame:
         data.columns = [str(i) for i in range(618)]
         data.loc[:, "617"] = data["617"].apply(int)
-        data = data.astype({"617": "int8"})
         data = data.astype({str(i): "float64" for i in range(617)})
+        data = data.astype({"617": "int8"})
 
         return data