azureml/serialization.py
def _dataframe_to_csv(writer, dataframe, delimiter, with_header):
    """serialize the dataframe with different delimiters"""
    encoding_writer = codecs.getwriter('utf-8')(writer)
    dataframe.to_csv(
        path_or_buf=encoding_writer,
        sep=delimiter,
        header=with_header,
        index=False
    )
def _dataframe_to_csv(writer, dataframe, delimiter, with_header):
    """serialize the dataframe with different delimiters"""
    encoding_writer = codecs.getwriter('utf-8')(writer)
    dataframe.to_csv(
        path_or_buf=encoding_writer,
        sep=delimiter,
        header=with_header,
        index=False
    )
serialize the dataframe with different delimiters