Traceback (most recent call last):


 "/…/lib/python3.5/site-packages/celery/app/trace.py", line 431, in trace_task

parent_id=uuid, root_id=root_id,


 "/…/lib/python3.5/site-packages/celery/canvas.py", line 222, in apply_async

return _apply(args, kwargs, **options)


 "/…/lib/python3.5/site-packages/celery/app/task.py", line 536, in apply_async

**options


 "/…/lib/python3.5/site-packages/celery/app/base.py", line 729, in send_task

root_id, parent_id, shadow, chain,


 "/…/lib/python3.5/site-packages/celery/app/amqp.py", line 333, in as_task_v2

eta = eta and eta.isoformat()
AttributeError: 'str' object has no attribute 'isoformat'

```Traceback (most recent call last):


 "build/dupeGuru.app/Contents/Resources/py/inter/app.py", line 93, in exportToCSV


 "build/dupeGuru.app/Contents/Resources/py/core/app.py", line 500, in export_to_csv


 "build/dupeGuru.app/Contents/Resources/py/core/app.py", line 261, in _get_export_data
AttributeError: 'NoneType' object has no attribute 'columns'
