pyexcel writer("afile csv"data=[[' '' '' '' '' '' '' '' '' '' ' ] write_array(tablew close(the new code isdata=[[' '' '' '' '' '' '' '' '' '' ' ]pyexcel save_as(array=datadest_file_name="afile csv"here is another piece of legacy codecontent " "[ , , , , ]" "[ , , , , ]" "[ , , , , ] pyexcel writer("afile csv" write_dict(self contentw close(the new code iscontent " "[ , , , , ]" "[ , , , , ]" "[ , , , , ]pyexcel save_as(adict=contentdest_file_name="afile csv"here is yet another piece of legacy codedata [ ][ io stringio( pyexcel writer(("csv",io) write_rows(dataw close(the new code isdata [ ][ io pyexcel save_as(dest_file_type='csv'array=datafor line in io readlines()print(line rstrip() , , , , "bookwriteris gone please use save_book_as here is piece of legacy code support the project