在 trader下 python run.py，会报如下错误，是什么问题呢？
最新的2.0.3版本
(vnpy2) E:\vnpy2\vnpy-master\tests\trader>python run.py
Error: REGISTER_FIELD, type [ftd], duplicate FieldID [0x00003001]
Error: REGISTER_FIELD, type [ftd], duplicate FieldID [0x0000300a]
Error: REGISTER_FIELD, type [ftd], duplicate FieldID [0x0000300b]
Error: REGISTER_FIELD, type [ftd], duplicate FieldID [0x00003001]
Error: REGISTER_FIELD, type [ftd], duplicate FieldID [0x0000300a]
Error: REGISTER_FIELD, type [ftd], duplicate FieldID [0x0000300b]
D:\ProgramData\Anaconda3\envs\vnpy2\lib\site-packages\deap\tools_hypervolume\py
hv.py:33: ImportWarning: Falling back to the python version of hypervolume modul
e. Expect this to be very slow.
"module. Expect this to be very slow.", ImportWarning)
