class_docstr: Mock Class
code: def __init__(self, sdf: SepDataFrame, join):
      self._sdf = sdf
      self.axis = None
      self.join = join
  
imports: import pandas
  from typing import Dict, Iterable, Union
  import builtins
label_desc: Use image node_id 1 to create a new SDFLoc object  with example: obj = SDFLoc(sdf, join)