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permutation-groups.py

@@ -174,27 +174,19 @@ class PermutationGroups(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, filepaths, split):
         # Load the Arrow files and yield examples
-        import pyarrow as pa
-        
         # Handle both single filepath and list of filepaths
         if isinstance(filepaths, str):
             filepaths = [filepaths]
         
         example_id = 0
         for filepath in filepaths:
-            # Read the arrow file
-            with open(filepath, "rb") as f:
-                # Read arrow file using pyarrow
-                reader = pa.ipc.open_file(f)
-                table = reader.read_all()
-                
-                # Convert to pandas for easier iteration
-                df = table.to_pandas()
-                
-                # Yield each row as an example
-                for idx, row in df.iterrows():
-                    yield example_id, {
-                        "input_sequence": row["input_sequence"],
-                        "target": row["target"],
-                    }
-                    example_id += 1
+            # Load the arrow file using datasets library
+            dataset = datasets.Dataset.from_file(filepath)
+            
+            # Yield each row as an example
+            for row in dataset:
+                yield example_id, {
+                    "input_sequence": row["input_sequence"],
+                    "target": row["target"],
+                }
+                example_id += 1