code: def remove_error_class(klass):
      
      if isinstance(klass, python.str_types):
          if klass not in ERROR_CLASS_MAP:
              raise ValueError('Code %s is not registered' % (klass,))
      elif isinstance(klass, python.class_types):
          classes = ERROR_CLASS_MAP.values()
          if klass not in classes:
              raise ValueError('Class %s is not registered' % (klass,))
  
          klass = ERROR_CLASS_MAP.keys()[classes.index(klass)]
      else:
          raise TypeError("Invalid type, expected class or string")
  
      del ERROR_CLASS_MAP[klass]
docs: Removes a class from the L{ERROR_CLASS_MAP}.
  
      An example::
  
         >>> class AuthenticationError(Exception):
         ...     pass
         ...
         >>> pyamf.add_error_class(AuthenticationError, 'Auth.Failed')
         >>> pyamf.remove_error_class(AuthenticationError)
  
      @see: L{add_error_class}