Broken compatibility of Django module with CPython 3.7

[wardhan7-zz]

The Django module breaks with master branch of CPython 3.7 due to https://github.com/python/cpython/commit/9165f77d5f93a2c12aa0e90853e3ae7212800d3c. Link of issue corresponding to commit : https://bugs.python.org/issue32012

This issue is known to Django community members and they are planning a fix for this in next release : https://code.djangoproject.com/ticket/28814