class_docstr: No storage.
class_docstr_tok: ["No","storage","."]
docstr: Mock initialisation.
docstr_tok: ["Mock","initialisation","."]
code: def __init__(self, ncols):
      """Mock initialisation."""
      self.ncols = int(ncols)
      self.nrows = 0
      self.stack_empty = True
      self.ncalls = 0
  
imports: from __future__ import print_function, division
  import numpy
  import warnings
  import os
label_desc: Use image node_id 1 to create a new NullPointStore object from inherited base classes: object with example: obj = NullPointStore(ncols)