Add 4 new CfP/edition entries (cfp-scout 2026-08-15)

[JesperDramsch]

CfP Scout — 2026-08-15

Scouted 10 conference series with no upcoming entry in _data/conferences.yml (rotation index 227 mod 87 = 53 for 2026-08-15). 4 new editions found and added.

Series	Year	CfP deadline	Evidence URL
PyHEP.dev	2026	2026-08-14 23:59 Europe/Amsterdam (already elapsed as of run date)	https://indico.nikhef.nl/event/7873/
Pytorch Day	2026	TBA (India edition, already occurred Feb 7 2026; no CfP deadline found)	https://events.linuxfoundation.org/pytorch-day-india/
Wagtail Space	2026	2026-09-11 23:59 UTC	https://pretalx.com/wagtail-space-2026/cfp
Xtreme Python	2026	TBA (no CfP found on official site)	https://xtremepython.dev/2026/

Notes:

• PyHEP.dev 2026 (Amsterdam, Sept 7-9) is distinct from the existing "PyHEP" series (Geneva, also Sept 7-9 2026) already tracked — these are separate events (developer workshop vs. main conference), consistent with how prior years are recorded in _data/archive.yml.
• Wagtail Space 2026 date conflict: the event's own landing page states "18-20 November" while the official blog post states talks run "November 18-19". Recorded start/end as 2026-11-18 to 2026-11-20 (trusting the primary event page).
• Pytorch Day India 2026 already occurred before today's run date, so sort_yaml.py correctly filed it into _data/archive.yml. Backfilling it updates the series' recorded latest_year to 2026, so the next cfp-scout run looks for a 2027 edition instead of re-flagging this series as stale.

Other checked series (6) — no action taken

Series	Classification	Notes / Evidence URL
PyData Paris	NO_NEWS	Page only covers 2025 edition (Sept 30 - Oct 1, 2025); https://pydata.org/paris2025
PyData Seattle	NO_NEWS	2025 page 404s; no 2026 edition on https://pydata.org/upcoming-events/
PyData Tel Aviv	NO_NEWS	No 2026 edition found; https://pydata.org/telaviv2025/
PyData Vermont	NO_NEWS	No 2026 edition found; https://pydata.org/vermont2025/
PyData Virginia	NO_NEWS	No 2026 edition found; https://pydata.org/virginia2025/
PyLadiesCon	NO_NEWS	Page only covers 2025 (Dec 5-7) edition; no 2026 announcement found; https://2025.conference.pyladies.com/en/

Validation

• python utils/sort_yaml.py --skip_links ran clean: 1195 conferences passed validation, no errors.
• git diff --stat: only _data/conferences.yml and _data/archive.yml changed.
• No new duplicate series+year pairs introduced (pre-existing unrelated dupes: PyCon China, RuPy).

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