Python can't parse JSON with extra trailing comma

Question

This code:

import json
s = \'{ \"key1\": \"value1\", \"key2\": \"value2\", }\'
json.loads(s)

produces this error in Python 2:

Answer 1

JSON specification doesn't allow trailing comma. The parser is throwing since it encounters invalid syntax token.

You might be interested in using a different parser for those files, eg. a parser built for JSON5 spec which allows such syntax.