[docs] [issue37891] Exceptions tutorial page does not mention raise from

Raymond Hettinger <raymond.hettinger@gmail.com> added the comment: Thanks for spotting this omission. Would you like to submit a PR with a short paragraph on exception chaining and "raise from"? ---------- nosy: +rhettinger _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue37891> _______________________________________