import scipy错误

请问这是为什么？ImportError: dlopen(/Users/apple/Library/Python/2.7/lib/python/site-packages/scipy/_lib/_ccallback_c.so, 2): no suitable image found.  Did find: /Users/apple/Library/Python/2.7/lib/python/site-packages/scipy/_lib/_ccallback_c.so: mach-o, but wrong architecture