Django 1.10

Hello I need to know what is my error gretting

this is my urls.py

from django.conf.urls import url, include
from matricula.views.Auth import *
from matricula.views.Courses import *
from .admin import admin_site
from matricula.views.Pages import PageDetail
from matricula.views.Enrollments import *
urlpatterns = urlpatterns=['matricula.views.Auth',
url('^create_user$', create_user, name="create_user"),
url('^confirm_email$', confirm_email,
name="confirm_email"),
url('^authenticate$', authenticate,
name="authenticate"),
url('^logout$', logout, name="logout"),
url('^recover_password$', recover_password,
name="recover_password"),
url('^mail_recover_pass$', mail_recover_pass,
name='mail_recover_pass'),
url('^user/profile/(?P<pk>[0-9]+)/$',
StudentEdit.as_view(), name='myprofile'),
]

urlpatterns += urlpatterns['matricula.views.Courses',
url('^courses$', list_courses, name='courses'),
url('^course/(?P<pk>\d+)$', view_course,
name='course'),
]

urlpatterns += urlpatterns['matricula.views.Enrollments',
url('^enrollme/(?P<pk>\d+)$', enrollme,
name="enrollme"),
url('^enrollment$', list_enroll, name="enrollment"),
url('^finish_enroll/(?P<pk>\d+)$',
'finish_enroll', name="finish_enroll"),
]

urlpatterns += urlpatterns['',
url(r'^admin/', include(admin_site.urls)),
url(r'^pages/(?P<pk>\d+)$',
PageDetail.as_view(), name="academica_pages"),
]


and the error is:

File "C:\Users\Administrador\academica\matricula\urls.py", line 26,
in <module>
url('^course/(?P<pk>\d+)$', view_course, name='course'),
TypeError: list indices must be integers, not tuple

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