In [1]: import json
In [2]: path = 'ch02/usagov_bitly_data2012-03-16-1331923249.txt'
In [3]: from pandas import DataFrame, Series;
In [4]: records = [json.loads(line) for line in open(path)]
In [5]: frame = DataFrame(records)
In [6]: frame['tz'][:10]
Segmentation fault: 11
对帧的任何访问都会导致段错误。我已经升级到Python 2.7.6 RC1。也发生在2.7.5，也发生在ipython之外。我该怎么办？