src/transformers/models/whisper/modeling_tf_whisper.py/TFWhisperPositionalEmbedding/__init__
class TFWhisperPositionalEmbedding:    def __init__(self, num_positions: int, embedding_dim: int, padding_idx: Optional[int] = None, **kwargs):
        super().__init__(**kwargs)
        self.num_positions = num_positions
        self.embedding_dim = embedding_dim
        self.padding_idx = padding_idx