module 'fzy' not found

[isvicy]

nvim version

NVIM v0.5.0-dev+1354-ga282a177d
Build type: Release
LuaJIT 2.1.0-beta3

package manager

packer:

use { 'camspiers/snap', rocks = {'fzy'}}

config

copy from readme: https://gist.github.com/camspiers/686395ab3bda4a0d00684d72acc24c23

issue

after packer compile, packer install and restart nvim, I got this:

E5113: Error while calling lua chunk: ...ite/pack/packer/start/snap/lua/snap/consumer/fzy/all.lua:3: module 'fzy' not found:
        no field package.preload['fzy']
        no file './fzy.lua'
        no file '/home/xxx/github/neovim/.deps/usr/share/luajit-2.1.0-beta3/fzy.lua'
        no file '/usr/local/share/lua/5.1/fzy.lua'
        no file '/usr/local/share/lua/5.1/fzy/init.lua'
        no file '/home/xxx/github/neovim/.deps/usr/share/lua/5.1/fzy.lua'
        no file '/home/xxx/github/neovim/.deps/usr/share/lua/5.1/fzy/init.lua'
        no file './fzy.so'
        no file '/usr/local/lib/lua/5.1/fzy.so'
        no file '/home/xxx/github/neovim/.deps/usr/lib/lua/5.1/fzy.so'
        no file '/usr/local/lib/lua/5.1/loadall.so'

I am not familiar with lua stuff. intuitively, I feel that this is an env-related problem, but I don't know how to fix it. Please help.

[camspiers]

It might be this issue:

wbthomason/packer.nvim#180

[mactep]

I don't know exactly where to report this, but I'm getting the same error, even when using the solution provided on wbthomason/packer.nvim#180. Looking at the error message I can see that it's not searching locally for fzy. I was able to fix it by running sudo luarocks install fzy or by appending the local installation of luarocks to package.path. Am I missing something here? Should it be able to look for user specific local folder, so instead of /usr/local/* it would be ~/.local/*?