code: def __getitem__(self, indexes):
      if not isinstance(indexes, tuple):
          indexes = (indexes,)
  
      for index in indexes:
          if not np.isscalar(index):
              raise ValueError(
                  "Invalid call for scalar access (getting)!"
              )
  
      return self._loc[indexes]
  
imports: import numpy
  from .loc import DataFrameLoc
label_desc: Use image node_id 2 for calling the DataFrameAt obj's underlying member method code with example usage: obj.__getitem__(indexes) and returns: self