TypeError: unsupported operand type(s) for /: 'NoneType' and 'int'

[mbeacom]

View details in Rollbar: https://rollbar.com/gitcoin/gitcoin/items/1157/

Traceback (most recent call last):
  File "/home/ubuntu/gitcoin/gitcoin-3/lib/python3.6/site-packages/django/core/handlers/base.py", line 126, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/ubuntu/gitcoin/coin/app/dashboard/views.py", line 805, in profile
    params = profile.to_dict()
  File "/home/ubuntu/gitcoin/coin/app/dashboard/models.py", line 1332, in to_dict
    sum_eth_funded = self.get_eth_sum(sum_type='funded', **query_kwargs)
  File "/home/ubuntu/gitcoin/coin/app/dashboard/models.py", line 1271, in get_eth_sum
    )['value_in_eth__sum'] / 10**18 if obj.exists() else 0
TypeError: unsupported operand type(s) for /: 'NoneType' and 'int'