base64.bend fails

raw source on the hub · import bend-codec-lib@0.2.0.0/base64.bend as Base64

2 imports

import Base
import ./bytes.bend as B

The reader could not load this file (at 0x888714bde93f46c139372bb9fdc57a19/base64.bend:41). What bend.ts says:

Error:
- expected : a name (words joined by dots, got 'B64.ch.62')
- observed : 'B64.ch.62'
Location:
40 | 
41>| def B64.ch.62(alpha: B64.Alpha) -> Char:
   |     ^^^^^^^^^
42 |   match alpha: