def insert_transformed_feature(self, columns_to_tensors):
"""Handles sparse column to id conversion."""
sparse_id_values = math_ops.mod(columns_to_tensors[self.name].values,
self.bucket_size,
name="mod")
columns_to_tensors[self] = ops.SparseTensor(
columns_to_tensors[self.name].indices, sparse_id_values,
columns_to_tensors[self.name].shape)
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