problem with ldap_sasl_bind

[Ali F. <lee...@ho...>]

Hi, I dont realy now if it's the rignt place to ask question ! sorry if 
it's not
I have a problem when I am trying to use ldap_sasl_bind

Traceback (most recent call last):
  File "test.py", line 33, in ?
    
l.sasl_interactive_bind_s("uid=afawaz,cn=users,dc=arteris,dc=net","Mona3592")
  File 
"/home/afawaz/download/python-ldap-2.0.7/build/lib.linux-i686-2.3/ldap/ldapobject.py", 
line 196, in sasl_interactive_bind_s
    return 
self._ldap_call(self._l.sasl_interactive_bind_s,who,auth,EncodeControlTuples(serverctrls),EncodeControlTuples(clientctrls),sasl_flags)
  File 
"/home/afawaz/download/python-ldap-2.0.7/build/lib.linux-i686-2.3/ldap/ldapobject.py", 
line 94, in _ldap_call
    result = func(*args,**kwargs)
AttributeError: 'str' object has no attribute 'mech'

here is my code
import ldap
l = ldap.open("ldapserver")
l.sasl_interactive_bind_s("uid=id,cn=users,dc=company,dc=net","")

do you have idea's thanks for help
Alain