def write_walk_transfer_edges(gtfs, output_file_name):
transfers = gtfs.get_table("<STR_LIT>")<EOL>transfers.drop([u"<STR_LIT>", u"<STR_LIT>"], <NUM_LIT:1>, inplace=True)<EOL>with util.create_file(output_file_name, tmpdir=True, keepext=True) as tmpfile:<EOL><INDENT>transfers.to_csv(tmpfile, encoding='<STR_LIT:utf-8>', index=False)<EOL><DEDENT>
Parameters
----------
gtfs: gtfspy.GTFS
output_file_name: str