Remove 'primary_key=True' from 'ballot_type' field to allow for null values.
Remove 'primary_key=True' from 'ballot_type' field to allow for null values.

Code4SA/censusreporter,sseguku/simplecensusug,sseguku/simplecensusug,sseguku/simplecensusug,4bic/censusreporter,Code4SA/censusreporter,Code4SA/censusreporter,4bic/censusreporter,Code4SA/censusreporter,4bic/censusreporter