Added missing urls.py

smash/web/urls.py

@@ -19,6 +19,7 @@ from web import views
 urlpatterns = [
     url(r'assignments$', views.assignments, name='web.views.assignments'),
     url(r'assignments/details/(?P<id>\d+)$', views.assignmentdetails, name='web.views.assignmentdetails'),
+    url(r'visits$', views.visits, name='web.views.visits'),
     url(r'subjects$', views.subjects, name='web.views.subjects'),
     url(r'subjects/add$', views.subjectadd, name='web.views.subjectadd'),
     url(r'subjects/details/(?P<id>\d+)$', views.subjectdet, name='web.views.subjectdet'),