docs: def interval(self, T=[0, 1000]):
          """
          Get all spikes in a time interval T.
  
  
          Parameters
          ----------
          T : list
              Time interval.
  
  
          Returns
          -------
          s : list
              Nested list with spike times.
  
  
  
          See also
          --------
          sqlite3.connect.cursor
          
          """
          self.cursor.execute('SELECT * FROM spikes WHERE time BETWEEN %f AND %f' % tuple(T))
          sel = self.cursor.fetchall()
          return sel