

class BaseXml4hException(Exception):
    """
    Base exception class for all non-standard exceptions raised by *xml4h*.
    """
    pass


class FeatureUnavailableException(BaseXml4hException):
    """
    User has attempted to use a feature that is available in some *xml4h*
    implementations/adapters, but is not available in the current one.
    """
    pass


class IncorrectArgumentTypeException(ValueError, BaseXml4hException):
    """
    Richer flavour of a ValueError that describes exactly what argument
    types are expected.
    """

    def __init__(self, arg, expected_types):
        msg = (u'Argument %s is not one of the expected types: %s'
            % (arg, expected_types))
        super(IncorrectArgumentTypeException, self).__init__(msg)



class Xml4hException(Exception):
    """
    Base exception class for all non-standard exceptions raised by *xml4h*.
    """
    pass


class FeatureUnavailableException(Xml4hException):
    """
    User has attempted to use a feature that is available in some *xml4h*
    implementations/adapters, but is not available in the current one.
    """
    pass


class IncorrectArgumentTypeException(ValueError, Xml4hException):
    """
    Richer flavour of a ValueError that describes exactly what argument
    types are expected.
    """

    def __init__(self, arg, expected_types):
        msg = (u'Argument %s is not one of the expected types: %s'
            % (arg, expected_types))
        super(IncorrectArgumentTypeException, self).__init__(msg)

Rename base exception class; less ugly
Rename base exception class; less ugly

  
  
- class BaseXml4hException(Exception):
+ class Xml4hException(Exception):
      """
      Base exception class for all non-standard exceptions raised by *xml4h*.
      """
      pass
  
  
- class FeatureUnavailableException(BaseXml4hException):
+ class FeatureUnavailableException(Xml4hException):
      """
      User has attempted to use a feature that is available in some *xml4h*
      implementations/adapters, but is not available in the current one.
      """
      pass
  
  
- class IncorrectArgumentTypeException(ValueError, BaseXml4hException):
+ class IncorrectArgumentTypeException(ValueError, Xml4hException):
      """
      Richer flavour of a ValueError that describes exactly what argument
      types are expected.
      """
  
      def __init__(self, arg, expected_types):
          msg = (u'Argument %s is not one of the expected types: %s'
              % (arg, expected_types))
          super(IncorrectArgumentTypeException, self).__init__(msg)
  
Rename base exception class; less ugly
## Code Before:


class BaseXml4hException(Exception):
    """
    Base exception class for all non-standard exceptions raised by *xml4h*.
    """
    pass


class FeatureUnavailableException(BaseXml4hException):
    """
    User has attempted to use a feature that is available in some *xml4h*
    implementations/adapters, but is not available in the current one.
    """
    pass


class IncorrectArgumentTypeException(ValueError, BaseXml4hException):
    """
    Richer flavour of a ValueError that describes exactly what argument
    types are expected.
    """

    def __init__(self, arg, expected_types):
        msg = (u'Argument %s is not one of the expected types: %s'
            % (arg, expected_types))
        super(IncorrectArgumentTypeException, self).__init__(msg)

## Instruction:
Rename base exception class; less ugly
## Code After:


class Xml4hException(Exception):
    """
    Base exception class for all non-standard exceptions raised by *xml4h*.
    """
    pass


class FeatureUnavailableException(Xml4hException):
    """
    User has attempted to use a feature that is available in some *xml4h*
    implementations/adapters, but is not available in the current one.
    """
    pass


class IncorrectArgumentTypeException(ValueError, Xml4hException):
    """
    Richer flavour of a ValueError that describes exactly what argument
    types are expected.
    """

    def __init__(self, arg, expected_types):
        msg = (u'Argument %s is not one of the expected types: %s'
            % (arg, expected_types))
        super(IncorrectArgumentTypeException, self).__init__(msg)
