class_docstr: Reader for OHCLV pricing data at a session frequency.
class_docstr_tok: ["Reader","for","OHCLV","pricing","data","at","a","session","frequency","."]
docstr: Returns
  -------
  sessions : DatetimeIndex
     All session labels (unionining the range for all assets) which the
     reader can provide.
docstr_tok: ["Returns","--","--","--","-","sessions",":","DatetimeIndex","All","session","labels","(","unionining","the","range","for","all","assets",")","which","the","reader","can","provide","."]
code: def sessions(self):
      """
      Returns
      -------
      sessions : DatetimeIndex
         All session labels (unionining the range for all assets) which the
         reader can provide.
      """
      pass
  
imports: from abc import abstractproperty
  from catalyst.data.bar_reader import BarReader
label_desc: Use image node_id 2 for calling the SessionBarReader obj's underlying member method code with example usage: obj.sessions() without return types