code: def obj(self, index, frame_or_series):
      # bc index is not always an Index (yet), we need to re-patch .name
      obj = frame_or_series(index).copy()
  
      if frame_or_series is Series:
          obj.name = "A"
      else:
          obj.columns = ["A"]
      return obj
  
imports: import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, Series, Timestamp
  import pandas._testing
label_desc: Use image node_id 2 for calling the TestQuantileExtensionDtype obj's underlying member method code with example usage: obj.obj(index, frame_or_series) and returns: obj