error

  1) Proxmox nodes should get a list of nodes
     Failure/Error:
       def initialize(**opts)
         @cpu = opts['cpu']
         @level = opts['level']
         @maxcpu = opts['maxcpu']
         @maxmem = opts['maxmem']
         @mem = opts['mem']
         @node = opts['node']
         @ssl_fingerprint = opts['ssl_fingerprint']
         @status = opts['status']
         @uptime = opts['uptime']
     
     ArgumentError:
       wrong number of arguments (given 1, expected 0)

node.rb

class Node
  attr_reader :cpu,:level, :maxcpu, :maxmem, :mem, :node, :ssl_fingerprint, :status, :uptime, :id, :type, :disk, :maxdisk
  def initialize(**opts)
    @cpu = opts['cpu']
    @level = opts['level']
    @maxcpu = opts['maxcpu']
    @maxmem = opts['maxmem']
    @mem = opts['mem']
    @node = opts['node']
    @ssl_fingerprint = opts['ssl_fingerprint']
    @status = opts['status']
    @uptime = opts['uptime']
    @id = opts['id']
    @type = opts['type']
    @disk = opts['disk']
    @maxdisk = opts['maxdisk']
  end

  def self.factory_from_json(json_data)
    puts json_data.class
    puts json_data
    puts json_data.first
    puts json_data.first.class
    puts json_data['cpu']
    puts json_data['cpu'].class
    Node.new({"node"=>"my_node", "mem"=>65118486528, "cpu"=>0.0878811061129038, "maxcpu"=>16, "id"=>"node/my_node", "status"=>"online", "type"=>"node", "level"=>"", "maxmem"=>84452896768, "disk"=>4445147136, "uptime"=>27682668, "maxdisk"=>38836535296, "ssl_fingerprint"=>"0E:C1:C1:ED:54:33:CD:8D:D0:31:FF:42:DF:21:8A:4D:9E:CB:1D:22:FE:CD:4C:E9:F7:77:0B:EB:60:5E:A5:83"})
  end


end