No module names urls - django

Question

Error: Importerror
Python version: 2.7
Django version: 1.8.4
Whenever i start my localhost server, i get this error, the error is pointing towards from
django.urls import re_path in grapelli/urls.py, code provided in the end.
***
**ImportError at /
No module named urls
Request Method: GET
Request URL: http://127.0.0.1:8000/
Django Version: 1.8.4
Exception Type: ImportError
Exception Value:
No module named urls
Exception Location: /mnt/c/users/verma/desktop/opine/env/local/lib/python2.7/site-
packages/grappelli/urls.py in <module>, line 3
Python Executable: /mnt/c/users/verma/desktop/opine/env/bin/python
Python Version: 2.7.17
Python Path:
['/mnt/c/users/verma/desktop/opine',
'/mnt/c/users/verma/desktop/opine/env/lib/python2.7',
'/mnt/c/users/verma/desktop/opine/env/lib/python2.7/plat-x86_64-linux-gnu',
'/mnt/c/users/verma/desktop/opine/env/lib/python2.7/lib-tk',
'/mnt/c/users/verma/desktop/opine/env/lib/python2.7/lib-old',
'/mnt/c/users/verma/desktop/opine/env/lib/python2.7/lib-dynload',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-x86_64-linux-gnu',
'/usr/lib/python2.7/lib-tk',
'/mnt/c/users/verma/desktop/opine/env/local/lib/python2.7/site-packages',
'/mnt/c/users/verma/desktop/opine/env/lib/python2.7/site-packages']***
Server time: Wed, 6 Jan 2021 03:07:09 +0530**
/mnt/c/users/verma/desktop/opine/env/local/lib/python2.7/site-packages/grappelli/urls.py in
grappelli/urls.py : I have used grappelli in my project for admin access.
**
# coding: utf-8
from django.urls import re_path
from .views.related import AutocompleteLookup, M2MLookup, RelatedLookup
from .views.switch import switch_user
urlpatterns = [
# FOREIGNKEY & GENERIC LOOKUP
re_path(r'^lookup/related/$', RelatedLookup.as_view(), name="grp_related_lookup"),
re_path(r'^lookup/m2m/$', M2MLookup.as_view(), name="grp_m2m_lookup"),
re_path(r'^lookup/autocomplete/$', AutocompleteLookup.as_view(), name="grp_autocomplete_lookup"),
# SWITCH USER
re_path(r'^switch/user/(?P<object_id>\d+)/$', switch_user, name="grp_switch_user"),
]
**
Error in line no. 1: from django.urls import re_path
How do I fix this, because URLs is not another module created by me, it's an inbuilt one in Django.