code: def convert(instance, attrib, new_value):
      """
      Run *attrib*'s converter -- if it has one --  on *new_value* and return the
      result.
  
      .. versionadded:: 20.1.0
      """
      c = attrib.converter
      if c:
          return c(new_value)
  
      return new_value
  
imports: from __future__ import absolute_import, division, print_function
  from .None import _config
  from .exceptions import FrozenAttributeError
label_desc: Use image node_id 4 for calling a global function with example usage: convert(instance, attrib, new_value) and returns: new_value, c