change exception formating
@@ -68,7 +68,7 @@ class LineEvent(TextualEvent):
if self.match in parsers:
return parsers[self.match]
else:
- self.set_exception(WrongUsage("{} is not supported. Possible choices: any, all or sequence ".
+ self.set_exception(WrongUsage("'{}' is not supported. Possible choices: 'any', 'all' or 'sequence'".
format(self.match)))
def _prepare_parameters(self):
