def __init__(self, message=None):
        """Build a custom message."""
        message = message or (
            'The user name is not configured. '
            'Please use the "git config" command to configure it.\n\n'
            '\tgit config --set user.name "John Doe"\n'
        )
        super(MissingUsername, self).__init__(message)
def __init__ ( self , message = None ) : message = message or ( 'The user name is not configured. ' 'Please use the "git config" command to configure it.\n\n' '\tgit config --set user.name "John Doe"\n' ) super ( MissingUsername , self ) . __init__ ( message )
Build a custom message.