60,62c60,63
< type, ident = formal.generate()
< types.append(type)
< params.append(ident)
---
> try:
> type, ident = formal.generate()
> types.append(type)
> params.append(ident)
63a65,68
> except AttributeError:
> types.append(formal.type)
> params.append(None)
>