def add_author_to_blog(apps, schema_editor):
    'Author is the claimant'
    Blog = apps.get_model('lowfat', 'Blog')
    for blog in Blog.objects.all():
        blog.author = blog.fund.claimant
        blog.save()
Author is the claimant
def add_author_to_blog(apps, schema_editor):
    
    Blog = apps.get_model('lowfat', 'Blog')
    for blog in Blog.objects.all():
        blog.author = blog.fund.claimant
        blog.save()