我正在使用Python3.7.0
来跟踪example,但是出现以下错误:
编辑
我正在使用ortools Version: 7.0.6546
RuntimeError: SWIG std::function invocation failed.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Users\aenaya\AppData\Local\Programs\Python\Python37\lib\site-packages\ortools\constraint_solver\pywrapcp.py", line 2136, in <lambda>
__setattr__ = lambda self, name, value: _swig_setattr(self, Assignment, name, value)
File "C:\Users\aenaya\AppData\Local\Programs\Python\Python37\lib\site-packages\ortools\constraint_solver\pywrapcp.py", line 71, in _swig_setattr
return _swig_setattr_nondynamic(self, class_type, name, value, 0)
File "C:\Users\aenaya\AppData\Local\Programs\Python\Python37\lib\site-packages\ortools\constraint_solver\pywrapcp.py", line 55, in _swig_setattr_nondynamic
if type(value).__name__ == 'SwigPyObject':
SystemError: <class 'type'> returned a result with an error set
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "E:\cidy.ai\delivery-app\test.py", line 68, in <module>
run()
File "E:\cidy.ai\delivery-app\test.py", line 59, in run
assignment = routing.SolveWithParameters(search_parameters)
File "C:\Users\aenaya\AppData\Local\Programs\Python\Python37\lib\site-packages\ortools\constraint_solver\pywrapcp.py", line 3425, in SolveWithParameters
return _pywrapcp.RoutingModel_SolveWithParameters(self, search_parameters, solutions)
SystemError: <built-in function RoutingModel_SolveWithParameters> returned a result with an error set
请问您能理解这个问题吗?