运行报错

Exception in thread Thread-2: Traceback (most recent call last): File "D:\ProgramData\Anaconda3\lib\threading.py", line 926, in _bootstrap_inner self.run() File "C:\projects\projects\options_calculator_opensource\Options-Calculator\Frontend\page.py", line 20, in run self.option.bt(self.btstep) File "..\Backend\Option.py", line 57, in bt tree = np.arange(0,iteration * 2 + 2,2,dtype=np.float128) AttributeError: module 'numpy' has no attribute 'float128'