why this happen

[luoky69]

after install charm-crypto 0.50 and run my code
it says
dlopen(/Users/lky/opt/anaconda3/envs/FEASE/lib/python3.7/site-packages/Charm_Crypto-0.50-py3.7-macosx-10.9-x86_64.egg/charm/core/math/pairing.cpython-37m-darwin.so, 0x0002): Library not loaded: @rpath/libgmp.10.dylib
Referenced from: <5FE8209A-E653-357C-8CBC-9BB4FBA5B1EE> /Users/lky/opt/anaconda3/envs/FEASE/lib/python3.7/site-packages/Charm_Crypto-0.50-py3.7-macosx-10.9-x86_64.egg/charm/core/math/pairing.cpython-37m-darwin.so
Reason: tried: '/Users/lky/opt/anaconda3/envs/FEASE/bin/../lib/libgmp.10.dylib' (no such file), '/Users/lky/opt/anaconda3/envs/FEASE/bin/../lib/libgmp.10.dylib' (no such file)