<s> class NeedOverrideError ( NotImplementedError ) : <EOL> def __init__ ( self , errmsg = '<STR_LIT>' ) : <EOL> super ( NeedOverrideError , self ) . __init__ ( self , errmsg ) <EOL> class ConfigError ( Exception ) : <EOL> pass <EOL> class UnsupportDefinitionType ( ConfigError ) : <EOL> pass <EOL> class UndefinedFilterException ( ConfigError ) : <EOL> pass </s>
