type-checking support in Python?

[Lawrence D'Oliveiro]

In message <0100470d$0$20646$c3e8da3 at news.astraweb.com>, Steven D'Aprano
wrote:

> ... just for the record "dimensions" are not "units".

Yeah, OK. "unit" = "dimensions" x "multiplier".

Where "multiplier" can be arbitarily set to 1 for SI units.