python - Setting models to specific database in django -

i ask how set models specific database . i'm still new django , read database routing in django website, have 2 models, usermod , adminmod.
usermod should go database userdb.
adminmod should go database admindb.
when migrated it, both table exist in both database. have included app_label on meta, still not working. using django 1.8

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edit: trying on userdb while , use admindb. code:

routers.py

class router(object):  def db_for_read(self, model, **hints):     if model._meta.app_label == 'userdb':         return 'userdb'     return none  def db_for_write(self, model, **hints):     if model._meta.app_label == 'userdb':         return 'userdb'     return none  def allow_relation(self, obj1, obj2, **hints):     if obj1._meta.app_label == 'userdb' or\         obj2._meta.app_label == 'userdb':             return true         return none  def allow_migrate(self, db, app_label, model=none, **hints):     if app_label == 'userdb':         return db == 'userdb'     return none 

try this:

class usermod(models.model):    name = models.charfield(max_length=120)     class meta:       db_table='userdb'