  __test__ = dict()
  
  for module in modules:
      exec("from djangorestframework.tests.%s import __doc__ as module_doc" % module)
 
</s> remove     exec("from djangorestframework.tests.%s import *" % module) </s> add 
    exec("from djangorestframework.tests.%s import __doc__ as module_doc" % module)
    exec("from djangorestframework.tests.%s import *" % module)
    __test__['%s' % module] = module_doc or ""
    
  __test__ = dict()
  
  for module in modules:
      exec("from djangorestframework.tests.%s import __doc__ as module_doc" % module)
    exec("from djangorestframework.tests.%s import __doc__ as module_doc" % module)
    exec("from djangorestframework.tests.%s import *" % module)
    __test__['%s' % module] = module_doc or ""
    
keep keep keep add
 modified tests.__init__ so it also test module docstrings 
djangorestframework/tests/__init__.py