#attr
%for %%lead in %%leader
leader: %%lead
%if %%hasattr(%%lead, 'follower1')
follower1: %%lead.follower1
%end if
%if %%hasattr(%%lead, 'follower2')
follower2: %%lead.follower2
%end if
%end for
#key
%for %%lead in %%leader
leader: %%lead
%if 'follower1' in %%lead
follower1: %%lead['follower1']
%end if
%if 'follower2' in %%lead
follower2: %%lead['follower2']
%end if
%end for