docs(chapter_1): add missing imports to tutorial_0_visualization#12
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Tutorial used `Path("dataset") / "imaging" / "simple__no_lens_light"`
and `al.Imaging.from_fits(...)` but had no imports of `Path`, `al`, or
`aplt`. Crashed at line 41 with `NameError: name 'Path' is not
defined` (NEEDS_FIX-parked 48 days). Add the three missing imports
in the literate-style position just before the first use, matching
the convention of other tutorials in this chapter.
Path import now lets the script progress past the NameError; the
script then hits a separate `FileNotFoundError` because no simulator
in `scripts/simulator/` matches the `simple__no_lens_light` dataset
name. That's a separate cluster (HowTo simulator-path mismatches
across ~14 tutorials) — out of scope for this hotfix.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Tutorial 0 used
Path(...)andal.Imaging.from_fits(...)with no imports ofPath,al, oraplt. NEEDS_FIX-parked 48 days ago for this exact reason.Three additive import lines, no logic changes.
Test plan
NameError: Path is not definedat line 41.FileNotFoundErroronsimple__no_lens_light/data.fitsbecause no simulator underscripts/simulator/produces that dataset) is a separate cluster — ~14 HowTo tutorials with simulator-path mismatches that need per-tutorial dataset/simulator mapping decisions. Tracked as a follow-up.🤖 Generated with Claude Code