Jelle Zijlstra added the comment:
This sounds like a bug in the third-party library you're using, not in Python
itself. Could you report this bug to the library?
According to https://docs.python.org/3.9/library/collections.html, aliases like
collections.Mapping were removed from the collecti
New submission from Du <491609...@qq.com>:
When using Sanic, referencing Mapping in collections in SANic-Jinja2 brings
ImportError: Cannot import name 'Mapping' from 'collections'. When you use
Mapping, shouldn't you call from collections.abc?
--
messages: 398208
nosy: haitanghuadeng
