Python Max Recursion Reached with ujson, not cPickle -


when comparing ujson , cpickle serializing objects in python 2.7, why using ujson shown gives error overflowerror: maximum recursion level reached?

import ujson json sys.setrecursionlimit(10000) open(mypath, 'w') fp:     json.dump(data, fp)

however when using cpickle, same error not occur.

import cpickle pickle sys.setrecursionlimit(10000) open(mypath, 'w') fp:     pickle.dump(data, fp)

why this?


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