要把这个 low_memory 关掉df = pd.read_csv(‘somefile.csv‘, low_memory=False)
df = pd.read_csv(‘somefile.csv‘, low_memory=False)
[Pandas error]sys:1: DtypeWarning: Columns (0,1) have mixed types. Specify dtype option on import or set low_memory=False.
原文：http://www.cnblogs.com/yaoshi/p/5223778.html
