Django upgradation 1.7. to 1.9.12

I upgraded django 1.7 to 1.9.12.

I have seen in django >1.9 doc that they removed from django.conf.urls import patterns.

Still after upgrading the django It is not showing any error on,

urlpatterns = patterns()

So how can I check that django upgradations was successfully done or not. 

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