remove unused imports

Author: lhoestq

src/datasets/features/features.py

@@ -31,7 +31,6 @@
 import pyarrow as pa
 import pyarrow.compute as pc
 import pyarrow.types
-import yaml
 from pandas.api.extensions import ExtensionArray as PandasExtensionArray
 from pandas.api.extensions import ExtensionDtype as PandasExtensionDtype
 

src/datasets/info.py

@@ -36,8 +36,6 @@
 from pathlib import Path
 from typing import ClassVar, Dict, List, Optional, Union
 
-import yaml
-
 from . import config
 from .features import Features, Value
 from .splits import SplitDict

src/datasets/splits.py

@@ -23,8 +23,6 @@
 from dataclasses import InitVar, dataclass
 from typing import Dict, List, Optional, Union
 
-import yaml
-
 from .arrow_reader import FileInstructions, make_file_instructions
 from .naming import _split_re
 from .utils.py_utils import NonMutableDict, asdict