def _mock_hide_64px_icon(path, *args, **kwargs):
 if ('128' in path):
  raise IOError('No 128px icon for you!')
 return storage_open(path, *args, **kwargs)

def _mock_hide_64px_icon ( path , * args , ** kwargs ) : if ( '128' in path ) : raise IOError ( 'No 128px icon for you!' ) return storage_open ( path , * args , ** kwargs )
a function that mocks storage .