/usr/local/lib/python3.7/site-packages/empyrical/utils.py:32: UserWarning: Unable to import pandas_datareader. Suppressing import error and continuing. All data reading functionality will raise errors; but has been deprecated and will be removed in a later version.
warnings.warn(msg)
/usr/local/lib/python3.7/site-packages/pyfolio/pos.py:27: UserWarning: Module “zipline.assets” not found; mutltipliers will not be applied to position notionals.
‘Module “zipline.assets” not found; mutltipliers will not be applied’ +
Traceback (most recent call last):
from pyfolio import timeseries
File “/usr/local/lib/python3.7/site-packages/pyfolio/
init
.py”, line 13, in
from .tears import * # noqa
File “/usr/local/lib/python3.7/site-packages/pyfolio/tears.py”, line 28, in
from . import _seaborn as sns
File “/usr/local/lib/python3.7/site-packages/pyfolio/_seaborn.py”, line 18, in
from seaborn import * # noqa
File “/usr/local/lib/python3.7/site-packages/seaborn/
init
.py”, line 9, in
from .regression import *
File “/usr/local/lib/python3.7/site-packages/seaborn/regression.py”, line 27, in
from .axisgrid import FacetGrid, _facet_docs
File “/usr/local/lib/python3.7/site-packages/seaborn/axisgrid.py”, line 16, in
from .distributions import distplot, kdeplot, _freedman_diaconis_bins
File “/usr/local/lib/python3.7/site-packages/seaborn/distributions.py”, line 13, in
import statsmodels.nonparametric.api as smnp
File “/usr/local/lib/python3.7/site-packages/statsmodels/nonparametric/api.py”, line 7, in
from .kde import KDEUnivariate
File “/usr/local/lib/python3.7/site-packages/statsmodels/nonparametric/kde.py”, line 23, in
from .linbin import fast_linbin
File “statsmodels/nonparametric/linbin.pyx”, line 1, in init statsmodels.nonparametric.linbin
ValueError: numpy.ufunc size changed, may indicate binary incompatibility. Expected 216 from C header, got 192 from PyObject
解决方法：
发现竟然是ｎｕｍｐｙ版本过低的缘故，附上卸载，安装，升级ｎｕｍｐｙ的终端命令：
sudo pip uninstall numpy
sudo pip install numpy==1.14.5
sudo pip install –upgrade numpy