text: from os import environ
  
  url = environ.get("DIAMOND_MINER_TEST_DATABASE_URL", "http://localhost:8123")
  
  
  def create_tables(url: str, measurement_id: str) -> None:
      # Avoid circular imports.
      from diamond_miner.queries.create_tables import CreateTables
      from diamond_miner.queries.drop_tables import DropTables
  
      DropTables().execute(url, measurement_id)
      CreateTables().execute(url, measurement_id)
  