运行from vnpy.app.cta_strategy.backtesting import BacktestingEngine报错：
ImportError Traceback (most recent call last)
<ipython-input-9-79b5173e5e8e> in <module>
----> 1 from vnpy.app.cta_strategy.backtesting import BacktestingEngine
f:\vnconda\lib\site-packages\vnpy\app\cta_strategy\backtesting.py in <module>
7 import numpy as np
8 import matplotlib.pyplot as plt
----> 9 import seaborn as sns
10 from pandas import DataFrame
11
f:\vnconda\lib\site-packages\seaborn__init__.py in <module>
4
5 # Import seaborn objects
----> 6 from .rcmod import
7 from .utils import
8 from .palettes import *
f:\vnconda\lib\site-packages\seaborn\rcmod.py in <module>
3 import functools
4 import matplotlib as mpl
----> 5 from . import palettes, _orig_rc_params
6
7
f:\vnconda\lib\site-packages\seaborn\palettes.py in <module>
10 from .external.six.moves import range
11
---> 12 from .utils import desaturate, set_hls_values, get_color_cycle
13 from .colors import xkcd_rgb, crayons
14
f:\vnconda\lib\site-packages\seaborn\utils.py in <module>
5
6 import numpy as np
----> 7 from scipy import stats
8 import pandas as pd
9 import matplotlib as mpl
f:\vnconda\lib\site-packages\scipy\stats__init.py in <module>
365 from future__ import division, print_function, absolute_import
366
--> 367 from .stats import
368 from .distributions import
369 from .morestats import *
f:\vnconda\lib\site-packages\scipy\stats\stats.py in <module>
170 from scipy._lib._version import NumpyVersion
171 from scipy._lib._util import _lazywhere
--> 172 import scipy.special as special
173 from . import distributions
174 from . import mstats_basic
f:\vnconda\lib\site-packages\scipy\special__init__.py in <module>
641 from ._ufuncs import
642
--> 643 from .basic import
644 from ._logsumexp import logsumexp, softmax
645 from . import specfun
f:\vnconda\lib\site-packages\scipy\special\basic.py in <module>
16 psi, _zeta, hankel1, hankel2, yv, kv, ndtri,
17 poch, binom, hyp0f1)
---> 18 from . import specfun
19 from . import orthogonal
20 from ._comb import _comb_int
ImportError: DLL load failed: 找不到指定的模块。
