Issues

• The test script failed: AttributeError: 'SdssWcs' object has no attribute 'pixelDerivsToPositionDerivs'

  dstndstn/tractor#144 · Filter by author junhopen opened on May 10, 2026

• AttributeError: 'NoneType' object has no attribute 'patch'

  bug
  dstndstn/tractor#140 · Filter by author moustakas opened on Dec 26, 2025

• Add pyproject.toml with NumPy as a build dependency for PEP 517 compatibility

  dstndstn/tractor#138 · Filter by author tgoldina opened on Nov 6, 2025

• IndexError - large negative index out of bounds in segmap in legacypipe

  heisenbug
  dstndstn/tractor#131 · Filter by author craigwarner-ufastro opened on Oct 7, 2025
  8

• WCS pixelToPosition gives very large number

  dstndstn/tractor#129 · Filter by author craigwarner-ufastro opened on Oct 7, 2025

• Differening length of var array in the final deravitive in amixes

  dstndstn/tractor#123 · Filter by author craigwarner-ufastro opened on May 19, 2025
  3

• Similarities not reproducible - likely due to changes in tr object as operated on by code

  dstndstn/tractor#122 · Filter by author craigwarner-ufastro opened on May 16, 2025
  2

• Edge case where img_bounds are outside of image size, need to adjust y1, x1

  dstndstn/tractor#120 · Filter by author craigwarner-ufastro opened on May 13, 2025

• Non-profile galaxies run on CPU only

  dstndstn/tractor#114 · Filter by author craigwarner-ufastro opened on May 13, 2025
  1

• sourceOut block needs GPU implementation

  dstndstn/tractor#113 · Filter by author craigwarner-ufastro opened on May 13, 2025
  4

• Need C++17 flags for Ceres

  dstndstn/tractor#111 · Filter by author yaoyuhan opened on Oct 27, 2024
  6

• PixelizedPsfEx keyword for XY [POLNAME1,POLNAME2]

  dstndstn/tractor#109 · Filter by author marcogullieuszik opened on Oct 24, 2024
  1

• Sersic fit yields significant bias in flux

  dstndstn/tractor#108 · Filter by author hbahk opened on Oct 18, 2024
  3

• Issue installing in conda environment - astrometry.utils not found

  dstndstn/tractor#105 · Filter by author dmasters opened on May 26, 2023
  3

• Non-compliant version "git" results in build error

  dstndstn/tractor#104 · Filter by author tgoldina opened on Apr 25, 2023
  2

• Cannot open tractor-sdss-synth.py

  dstndstn/tractor#102 · Filter by author dampach opened on Dec 15, 2022
  9

• Cannot install tractor

  dstndstn/tractor#93 · Filter by author HironaoMiyatake opened on Aug 22, 2019
  15

• some non-catastrophic RuntimeWarning(s) to consider capturing

  dstndstn/tractor#91 · Filter by author moustakas opened on May 17, 2019
  1

• Bernstein & Gruen paper?

  question
  dstndstn/tractor#82 · Filter by author moustakas opened on Aug 2, 2017

• splinesky / priors / spcols -- lists vs numpy arrays

  dstndstn/tractor#81 · Filter by author dstndstn opened on Jul 17, 2017

• a paper?

  dstndstn/tractor#80 · Filter by author davidwhogg opened on Jul 5, 2017

• flux cannot changed during fitting

  dstndstn/tractor#78 · Filter by author zouhu opened on Oct 26, 2016
  1

• swig failed on mix.i

  dstndstn/tractor#76 · Filter by author edennihy opened on Feb 17, 2016
  3

• photometry on fields with large residuals

  dstndstn/tractor#75 · Filter by author knyland opened on Jan 27, 2016
  2

• Assertion errors in tractor.optimize

  dstndstn/tractor#73 · Filter by author knyland opened on Dec 2, 2015
  7