PS G:\vn-py-3.1.0\examples\veighna_trader> python run.py
Traceback (most recent call last):
File "G:\vn-py-3.1.0\examples\veighna_trader\run.py", line 31, in <module>
from vnpy_optionmaster import OptionMasterApp
File "G:\veighna_studio\lib\site-packages\vnpy_optionmaster__init__.py", line 26, in <module>
from .engine import OptionEngine, APP_NAME
File "G:\veighna_studio\lib\site-packages\vnpy_optionmaster\engine.py", line 32, in <module>
from .pricing import binomial_tree_cython as binomial_tree
File "binomial_tree_cython.pyx", line 1, in init binomial_tree_cython
ValueError: numpy.ndarray size changed, may indicate binary incompatibility. Expected 96 from C header, got 88 from PyObject