class_docstr: Python interface for VegaFusion DataFrame
docstr: Whether VegaFusion should fall back to the built-in DataFusion connection
  when DataFrame operations are encountered that are not supported
  
  :return: bool
docstr_tok: ["Whether","VegaFusion","should","fall","back","to","the","built-in","DataFusion","connection","when","DataFrame","operations","are","encountered","that","are","not","supported",":","return",":","bool"]
code: def fallback(self) -> bool:
      """
      Whether VegaFusion should fall back to the built-in DataFusion connection
      when DataFrame operations are encountered that are not supported
  
      :return: bool
      """
      return True
  
imports: from abc import ABC, abstractmethod
  import pyarrow
  from vegafusion.proto.datafusion_pb2 import LogicalExprNode
  from typing import Optional, List, Literal, Union, Any
label_desc: Use image node_id 3 for calling the DataFrameDataset obj's underlying member method code with example usage: obj.fallback() and returns: True