The project's tests pass in a Python3 venv, so it looks like it is Python3 compatible. Can you provide a package that is Python3 compatible so the package may be used in Python3 projects?
(If there is remaining work to make the package Python3 compatible, I might be able to help.)
Below demonstrates results under different versions of Python.
$ virtualenv testv
New python executable in testv/bin/python2
Also creating executable in testv/bin/python
Installing setuptools, pip...done.
$ ./testv/bin/pip install django-post-request-task
You are using pip version 6.0.8, however version 8.0.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting django-post-request-task
Downloading django_post_request_task-0.0.3-py2-none-any.whl
Installing collected packages: django-post-request-task
Successfully installed django-post-request-task-0.0.3
$ pyvenv testv
$ ./testv/bin/pip install django-post-request-task
You are using pip version 7.1.0, however version 8.0.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting django-post-request-task
Could not find a version that satisfies the requirement django-post-request-task (from versions: )
No matching distribution found for django-post-request-task