Traceback (most recent call last):
  File "/trytond/protocols/jsonrpc.py", line 123, in _marshaled_dispatch
    response['result'] = dispatch_method(method, params)
  File "/trytond/protocols/jsonrpc.py", line 156, in _dispatch
    res = dispatch(*args)
  File "/trytond/protocols/dispatcher.py", line 151, in dispatch
    result = rpc.result(meth(*args, **kwargs))
  File "/trytond/model/modelsql.py", line 497, in read
    for i in range(0, len(ids), in_max):
TypeError: object of type 'int' has no len()


(Pdb) method
'model.ir.action.read'