# Internals **URL:** https://trio.discourse.group/c/internals/9.md [Latest](https://trio.discourse.group/latest.md) · [Categories](https://trio.discourse.group/categories.md) --- ## [About the Internals category](https://trio.discourse.group/t/about-the-internals-category/28)
**Author:** [@njs](https://trio.discourse.group/u/njs)\ **Replies:** 0
Discussions of Trio internals, and anything related to developing Trio itself. --- ## [\`Runtime Error\` occuring when running tests on trio-asyncio](https://trio.discourse.group/t/runtime-error-occuring-when-running-tests-on-trio-asyncio/570)
**Author:** [@Aman\_Rao](https://trio.discourse.group/u/Aman_Rao)\ **Replies:** 0\ **Last updated:** [October 27, 2025, 6:17pm UTC](https://trio.discourse.group/t/runtime-error-occuring-when-running-tests-on-trio-asyncio/570 "2025-10-27T18:17:36Z")
Getting the following error on running tests on asyncio: ImportError while loading conftest '/home/amanr/Documents/trio-asyncio/tests/conftest.py'. tests/conftest.py:30: in \ warnings.warn( E RuntimeWarning… --- ## [Discussion: "Beautiful tracebacks in Trio v0.7.0"](https://trio.discourse.group/t/discussion-beautiful-tracebacks-in-trio-v0-7-0/29)
**Author:** [@njs](https://trio.discourse.group/u/njs)\ **Replies:** 4\ **Last updated:** [May 14, 2025, 3:23am UTC](https://trio.discourse.group/t/discussion-beautiful-tracebacks-in-trio-v0-7-0/29 "2025-05-14T03:23:49Z")
You can use this thread to discuss the blog post Beautiful tracebacks in Trio v0.7.0. --- ## [Trio strategy to handle incoming connections in serve\_tcp](https://trio.discourse.group/t/trio-strategy-to-handle-incoming-connections-in-serve-tcp/264)
**Author:** [@le\_woudar](https://trio.discourse.group/u/le_woudar)\ **Replies:** 2\ **Last updated:** [February 22, 2020, 9:48am UTC](https://trio.discourse.group/t/trio-strategy-to-handle-incoming-connections-in-serve-tcp/264 "2020-02-22T09:48:20Z")
Hi folks, I was curious about trio networking api so I dig in the code, and I saw this async def \_serve\_one\_listener(listener, handler\_nursery, handler): async with listener: while True: try: … --- ## [Browser-based Trio monitor](https://trio.discourse.group/t/browser-based-trio-monitor/195)
**Author:** [@Tronic](https://trio.discourse.group/u/Tronic)\ **Replies:** 4\ **Last updated:** [August 19, 2019, 8:13pm UTC](https://trio.discourse.group/t/browser-based-trio-monitor/195 "2019-08-19T20:13:59Z")
Since there doesn’t appear to be any up to date monitoring tools, I quickly hacked something together today. This module will offer a browser-interface for realtime monitoring/debugging of your Trio application, even if … --- ## [Why are Python sockets so slow and what can be done?](https://trio.discourse.group/t/why-are-python-sockets-so-slow-and-what-can-be-done/121)
**Author:** [@adontz](https://trio.discourse.group/u/adontz)\ **Replies:** 26\ **Last updated:** [June 9, 2019, 5:11am UTC](https://trio.discourse.group/t/why-are-python-sockets-so-slow-and-what-can-be-done/121 "2019-06-09T05:11:58Z")
Hello, I want to share my findings and maybe find solution together. The Performance. Very important subject to me and, I believe, to many. I’ve being testing Curio, Trio and UVLoop on CPython 3.7 and pypy 6.0. Tests … --- ## [Who's going to PyCon 2019? (The US one)](https://trio.discourse.group/t/whos-going-to-pycon-2019-the-us-one/84)
**Author:** [@njs](https://trio.discourse.group/u/njs)\ **Replies:** 3\ **Last updated:** [April 8, 2019, 3:32am UTC](https://trio.discourse.group/t/whos-going-to-pycon-2019-the-us-one/84 "2019-04-08T03:32:36Z")
It’d be fun to know who’s going so we can meet up :slight\_smile: And also… there’s this interesting event happening: Mentored sprints for diverse beginners. They’re looking for folks who can help mentor new OSS contribu… --- ## [Priorities/roadmap](https://trio.discourse.group/t/priorities-roadmap/34)
**Author:** [@njs](https://trio.discourse.group/u/njs)\ **Replies:** 17\ **Last updated:** [March 2, 2019, 8:42pm UTC](https://trio.discourse.group/t/priorities-roadmap/34 "2019-03-02T20:42:02Z")
cough Hey, is this thing on? :wave: So I’ve been struggling a bit trying to think about the big picture. There’s lots of great stuff happening in Trio-land; we’re fixing bugs, landing features, and I’m barely keeping up… --- ## [Discussion: "Control-C handling in Python and Trio"](https://trio.discourse.group/t/discussion-control-c-handling-in-python-and-trio/30)
**Author:** [@njs](https://trio.discourse.group/u/njs)\ **Replies:** 0\ **Last updated:** [February 6, 2019, 9:29pm UTC](https://trio.discourse.group/t/discussion-control-c-handling-in-python-and-trio/30 "2019-02-06T21:29:36Z")
You can use this thread to discuss the blog post Control-C handling in Python and Trio.