docstr: Returns
  -------
  dt : pd.Timestamp
      The last session for which the reader can provide data.
docstr_tok: ["Returns","--","--","--","-","dt",":","pd.Timestamp","The","last","session","for","which","the","reader","can","provide","data","."]
code: def last_available_dt(self):
      """
      Returns
      -------
      dt : pd.Timestamp
          The last session for which the reader can provide data.
      """
      return self._bar_reader.last_available_dt
  
imports: import numpy
  import pandas
  from catalyst.data.session_bars import SessionBarReader
label_desc: Use image node_id 3 for calling the ContinuousFutureSessionBarReader obj's underlying member method code with example usage: obj.last_available_dt() and returns: self