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SUMMARY:One Word Faster: Parallelizing Your Pytest Suite Without Rewriting
  a Line - Dror Asaf
DTSTART;TZID=Europe/Stockholm:20261120T110000
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DTSTAMP:20261111T055835Z
UID:pretalx-pycon-sweden-2026-JJHWXR@pretalx.com
DESCRIPTION:Your pytest suite runs one test at a time. The usual fix: pyte
 st-xdisthelps\, but it schedules by file\, so one slow file pins one worke
 r\, and it's something you have to remember to turn on.\n\nrstest is a pyt
 est-compatible test runner that flips the default: parallel\nout of the bo
 x\, scheduled per-test rather than per-file\, and crash-safe when\na nativ
 e test segfaults. Crucially\, it isn't a reimplementation\, it vendors\nre
 al pytest\, so your fixtures\, plugins\, config\, and flags all work uncha
 nged.\nYou replace one word on the command line.\n\nThis talk covers how t
 he drop-in claim actually holds\, an honest reading of\nthe benchmarks (wh
 ere it wins\, where it only ties)\, and the diagnostic tools:\n- `--doctor
 `\n- `--watch`\n- `--changed`\n\nThese make it worth adopting even when th
 e raw speedup is zero.\nThe novelty is the new test runner that makes your
  life easier and how it fits into the agentic coding eco system.
LOCATION:Auditorium
URL:https://pretalx.com/pycon-sweden-2026/talk/JJHWXR/
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