When try "Test in LeetCode" using customized test case, judge failed due to wrong data contract.

[dumplingslove]

Input data:
'12'

Actual
√ runtime: 84 ms
× answer: 2
√ stdout: ''

Expected
× Runtime Error
× runtime: N/A
× answer:
× stdout: ''
× error: Line 36: ValueError: No JSON object could be decoded
× error: ValueError: No JSON object could be decoded
raise ValueError("No JSON object could be decoded")
Line 382 in raw_decode (/usr/lib/python2.7/json/decoder.py)
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
Line 364 in decode (/usr/lib/python2.7/json/decoder.py)
return _default_decoder.decode(s)
Line 339 in loads (/usr/lib/python2.7/json/init.py)
Line 24 in to_string (/leetcode/python/deserializer.py)
Line 36 in _driver (Solution.py)
Line 49 in (Solution.py)

[jdneo]

@dumplingslove What's the number of the problem?

[dumplingslove]

@jdneo Thanks for your reply! You can try question #91, i believe all string test case will get this error. I tried "12", '12' and '"12"', none of them can work.

[jdneo]

Root cause is dup with #60