AttributeError: 'module' object has no attribute 'lru_cache' code example

Example: AttributeError: 'module' object has no attribute 'lru_cache'

import os, sys


sys.path.append('/home/santosh/Documents/project/Reports/Reports')
sys.path.append('/home/santosh/Documents/project/Reports')


sys.path.append('/home/santosh/Documents/project/project/lib/python3.5/site-packages')
sys.path.append('/home/santosh/Documents/project/project/lib/python3.5')
sys.path.append('/home/santosh/Documents/project/project/bin')



from django.core.wsgi import get_wsgi_application

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "Reports.settings")

application = get_wsgi_application()