code: def downgrade():
      op.drop_index(
          "ix_report_recipient_report_schedule_id",
          table_name="report_recipient",
      )
      op.drop_index(
          "ix_report_execution_log_start_dttm",
          table_name="report_execution_log",
      )
      op.drop_index(
          "ix_report_execution_log_report_schedule_id",
          table_name="report_execution_log",
      )
  
imports: import sqlalchemy
  from alembic import op
  from sqlalchemy.dialects import postgresql
label_desc: Use image node_id 2 for calling a global function with example usage: downgrade() without return types