Wagtail - Avoid Streamfields in Django migrations

__init__.py

import wagtail.fields


def deconstruct_without_block_definition(self):
    name, path, _, kwargs = super(wagtail.fields.StreamField, self).deconstruct()
    block_types = list()
    args = [block_types]
    return name, path, args, kwargs


wagtail.fields.StreamField.deconstruct = deconstruct_without_block_definition