Django>=1.8,<1.8.99
celery>=3.1,<4 # celery 4 is not compatible with django-celery
django-celery>=3.1,<3.1.99
SQLAlchemy>=1.0,<1.0.99
tablib>=0.9,<0.10.99
django-import-export>=0.4,<0.4.99

Django>=1.8,<1.8.99
celery>=3.1,<4 # celery 4 is not compatible with django-celery
django-celery>=3.1,<3.1.99
SQLAlchemy>=1.0,<1.0.99
tablib>=0.11.4,<0.11.99
django-import-export>=0.4,<0.4.99

Fix tablib fail with Python 3.6
Fix tablib fail with Python 3.6
