error on :colorscheme

since f3efc25

Error detected while processing ColorScheme Autocommands for "*":
Error executing lua callback: ...pack/packer/start/master/lua/nvim-tree/explorer/init.lua:101: attempt to call method 'draw' (a nil value)
stack traceback:
        ...pack/packer/start/master/lua/nvim-tree/explorer/init.lua:101: in function <...pack/packer/start/master/lua/nvim-tree/explorer/init.lua:98>