2018 data parse error

[audreyt]

Steps to reproduce:

mkdir dict_revised
cd dict_revised
wget https://raw.githubusercontent.com/g0v/moedict-data/2018/dict_revised/dict_revised_1.xls
wget https://raw.githubusercontent.com/g0v/moedict-data/2018/dict_revised/dict_revised_2.xls
wget https://raw.githubusercontent.com/g0v/moedict-data/2018/dict_revised/dict_revised_3.xls
cd ..
make json

Trace:

python parse.py
INFO     [2019-02-19 10:52:14,880 parse.py:282] dict_revised
INFO     [2019-02-19 10:52:21,656 parse.py:307] 1 files, parsed 0
Traceback (most recent call last):
  File "parse.py", line 310, in <module>
    main()
  File "parse.py", line 300, in main
    if process_excel(rawdata):
  File "parse.py", line 198, in process_excel
    basic, heteronym = parse_heteronym(sh.row(rx))
  File "parse.py", line 147, in parse_heteronym
    cells[8].value), heteronym['definitions'])
  File "parse.py", line 122, in associate_to_defs
    defs[0][key] = v
IndexError: list index out of range
make: *** [dict-revised.json] Error 1