class_docstr: Base class for all ranges
class_docstr_tok: ["Base","class","for","all","ranges"]
docstr: Whether there is range information
docstr_tok: ["Whether","there","is","range","information"]
code: def is_empty(self) -> bool:
      """
      Whether there is range information
      """
      return not hasattr(self, "range")
  
file_path: plotnine/plotnine/scales/range.py
imports: from __future__ import annotations
  import typing
  from mizani.scale import scale_continuous, scale_discrete
label_desc: Use image node_id 3 for calling the Range obj's underlying member method code with example usage: obj.is_empty() and returns: unknown