code: def cleancache(cls):
      cls._icache = dict()
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  from .utils.py3 import range, with_metaclass
  from .lineiterator import LineIterator, IndicatorBase
  from .lineseries import LineSeriesMaker, Lines
  from .metabase import AutoInfoClass
label_desc: Use image node_id 1 for calling the MetaIndicator obj's underlying member method code with example usage: obj.cleancache(cls) without return types