code: def listAcquisitionEras_CI(self, acq=''):
          
          try:
              acq = str(acq)
          except:
              dbsExceptionHandler('dbsException-invalid-input', 'aquistion_era_name given is not valid : %s'%acq)
          conn = self.dbi.connection()
          try:
              result = self.acqlst_ci.execute(conn, acq)
              return result
          finally:
              if conn:conn.close()
docs: Returns all acquistion eras in dbs