code: def find(self, state, recp):
          
          if recipient.IRecipient.providedBy(recp):
              agent_id = recipient.IRecipient(recp).key
          else:
              agent_id = recp
          desc = state.agent.get_descriptor()
          match = [x for x in desc.partners if x.recipient.key == agent_id]
          if len(match) == 0:
              return None
          elif len(match) > 1:
              raise FindPartnerError('More than one partner was matched by the '
                                     'recipient %r!. Matched: %r' % \
                                     (recp, match, ))
          else:
              return match[0]
docs: WARNING: This function do not return partners
          currently being initialized.