def __init__(self, tag_pattern, descr):
        self._pattern = tag_pattern
        regexp = re.compile('(?P<chunk>%s)%s' %
                            (tag_pattern2re_pattern(tag_pattern),
                             ChunkString.IN_CHINK_PATTERN))
        RegexpChunkRule.__init__(self, regexp, '{\g<chunk>}', descr)
Convert the asset to JSON and return it as a string.
dataset/ETHPy150Open nltk/nltk/nltk/chunk/regexp.py/ChunkRule.__init__--crossover with--dataset/ETHPy150Open turbulenz/turbulenz_tools/turbulenz_tools/tools/asset2json.py/JsonAsset.json_to_string