Pandas v0.19.0 Python 2.7.12
x = pd.DataFrame({'x': [['a', 'b']], 'y': [1]})
pd.read_msgpack(x.to_msgpack())
ValueError: total size of new array must be unchanged
Comment From: jreback
this is not a normal way of representating data so this would need special casing
closing as wont fix but if u want to submit a PR would be ok