code: def downgrade() -> None:
      # ### commands auto generated by Alembic - please adjust! ###
      with op.batch_alter_table(
          "gateway_computes", schema=None
      ) as batch_op:
          batch_op.drop_column("deleted")
  
imports: import sqlalchemy
  import sqlalchemy_utils
  from alembic import op
label_desc: Use image node_id 2 for calling a global function with example usage: downgrade() without return types