code: def is_v2_dash(positions):
      return (
          isinstance(positions, dict)
          and positions.get("DASHBOARD_VERSION_KEY") == "v2"
      )
  
file_path: superset/superset/migrations/versions/2018-08-01_11-47_7fcdcde0761c_.py
imports: import json
  import re
  import sqlalchemy
  from alembic import op
  from sqlalchemy.ext.declarative import declarative_base
  from superset import db
label_desc: Use image node_id 1 for calling a global function with example usage: is_v2_dash(positions) and returns: unknown