text: #!/usr/bin/env python
  # -*- coding: UTF-8 -*-
  
  
  class BoxError(Exception):
      """Non standard dictionary exceptions"""
  
  
  class BoxKeyError(BoxError, KeyError, AttributeError):
      """Key does not exist"""
  
  
  class BoxTypeError(BoxError, TypeError):
      """Cannot handle that instance's type"""
  
  
  class BoxValueError(BoxError, ValueError):
      """Issue doing something with that value"""
  
  
  class BoxWarning(UserWarning):
      """Here be dragons"""
  