Hugo Mills

Update use of collections module to avoid deprecated idiom

1

The use of the "collections" module to access the abstract base classes has been deprecated in Python 3.7, and will be removed in Python 3.8. The new idiom is to...

Firefox reports: "Sage could not be verified for use in Firefox and has been disabled." with a link to https://support.mozilla.org/en-US/kb/add-on-signing-in-firefox Firefox 44 (OK, Debian's Iceweasel), Sage 1.5.4.

### Version 3.4.0 ### Feature For debugging performance issues, it would be useful to be able to get a snapshot of the queries currently being processed, via an API call....