code: def downgrade():
      pass
  
file_path: superset/superset/migrations/versions/2023-07-19_16-48_a23c6f8b1280_cleanup_erroneous_parent_filter_ids.py
imports: import json
  import logging
  from alembic import op
  from sqlalchemy import Column, Integer, Text
  from sqlalchemy.ext.declarative import declarative_base
  from superset import db
label_desc: Use image node_id 2 for calling a global function with example usage: downgrade() without return types