Bugfix: Correct filter types for DjangoFilterConnectionFields #682
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zbyte64
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This is an regression of graphql-python/graphene-django#682 but because upstream doesn't support enum for filters it's not an regression for them. Before filter field was converted now the form field is.
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Fixes #678
For Django IntegerFields, Django-filter converts it to a NumberFilter and NumberFilter defines it's Django form field as a DecimalField. Graphene-Django then uses that form field to determine the GraphQL type to use for the filter, so in this case an IntegerField defined on the model gets converted into a Float argument when used as a filter.
This PR changes the logic so that (if it can) it uses the Django model field to determine the corresponding form field rather than Django-filter.
In this PR I've also cleaned up the
test_fieldsfile a bit and added a black compatible config for isort.