def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('bit_facebook_ad_campaigns', sa.Column('account_id', sa.INTEGER(), autoincrement=False, nullable=True))
op.create_foreign_key(u'bit_facebook_ad_campaigns_account_id_fkey', 'bit_facebook_ad_campaigns', 'bit_facebook_ad_account', ['account_id'], ['id'])
# ### end Alembic commands ###
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