I can't solve this error...

[Hosung Kang]

FlockDB version : twitter-flockdb-3d0db2d
OS : Cent OS 5.3 (32bit)

I got error message. but I have no solution. plz help me.

flockdb-0.3.2 and flockdb-0.4.0 have same problem.

# irb

irb(main):001:0> require "flockdb"
=> true
irb(main):002:0> flock = Flock.new "localhost:7915", :graphs =>
{ :follows => 1, :blocks => 2 }
=> #<Flock::Client:0xb7b1d584
@service=<Flock::Service(Flock::Edges::Client)
@current_server=localhost:7915>, @graphs={:follows=>1, :blocks=>2}>
irb(main):003:0> flock.select(nil, :follows, 1).to_a
=> []
irb(main):004:0> flock.add(20, :follows, 1)
TypeError: wrong argument type Symbol (expected Proc)
from /home/mygemrepository/gems/flockdb-0.3.2/lib/flock/
operations/execute_operations.rb:28:in `to_thrift'
from /home/mygemrepository/gems/flockdb-0.3.2/lib/flock/
operations/execute_operations.rb:23:in `apply'
from /home/mygemrepository/gems/flockdb-0.3.2/lib/flock/
client.rb:72:in `update'
from /home/mygemrepository/gems/flockdb-0.3.2/lib/flock/
client.rb:76:in `add'
from (irb):4