No module named django.core.urlresovers in django 2.0a1

Have recently upgraded from django 1.11.7 to django 2.0a1 and now cannot import reverse_lazy

 File "/home/silasi/Deprojecto/eljogo/jogos/views.py", line 8, in <module>
  from django.core.urlresolvers import reverse_lazy
 ModuleNotFoundError: No module named 'django.core.urlresolvers'