code: def get_db_version(db_filename: Path) -> int:
      
  
      assert os.path.exists(db_filename)
  
      # Perform a query directly through SQL rather than using
      # storage.get_version()
      # as get_version will return the latest version if it doesn't
      # find a record in the database.
      conn = sqlite3.connect(
          str(db_filename),
          detect_types=sqlite3.PARSE_DECLTYPES,
      )
      cursor = conn.cursor()
  
      try:
          cursor.execute('SELECT value FROM settings WHERE name="version";')
          result = cursor.fetchone()
      except sqlite3.OperationalError:
          raise RuntimeError(
              'Corrupted database. Database does not the settings table.',
          )
  
      if not result:
          raise RuntimeError(
              'Corrupted database. Settings table does not contain an entry the db version.',
          )
  
      return int(result[0])
docs: Return the version value stored in the db