Fix AttributeError in ABACUS Gamma post-processing (self.addfix -> self.add_fix)

[Sreekant13]

Fixes #1900.

Gamma.__stru_fix referenced self.addfix, but the attribute is self.add_fix (set in __init__). This raised an AttributeError whenever add_fix was enabled during ABACUS Gamma post-processing. Corrected the spelling to match.

Summary by CodeRabbit

• Bug Fixes
  • Fixed an issue in Abaqus post-processing where structure-fix handling could fail due to an incorrect setting reference.
  • Improved stability for runs that use fix-point adjustments.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 3b6c3a2b-0715-44a8-bb93-3b4cda606428

📥 Commits

Reviewing files that changed from the base of the PR and between 7af5246 and 8fd2b8f.

📒 Files selected for processing (1)

• dpgen/auto_test/Gamma.py

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📝 Walkthrough

Walkthrough

A single-line fix in dpgen/auto_test/Gamma.py corrects an attribute reference within Gamma.__stru_fix, changing self.addfix to self.add_fix to resolve an AttributeError during ABACUS Gamma post-processing when fixed directions are enabled.

Changes

Attribute Typo Fix

Layer / File(s)	Summary
Correct attribute reference dpgen/auto_test/Gamma.py	Gamma.__stru_fix now reads self.add_fix instead of the misspelled self.addfix when building fix_xyz, matching the attribute used by VASP and LAMMPS fix paths.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main fix: correcting the ABACUS Gamma add_fix attribute typo.
Linked Issues check	✅ Passed	The change matches issue #1900 by replacing self.addfix with self.add_fix in Gamma ABACUS post-processing.
Out of Scope Changes check	✅ Passed	The patch is narrowly scoped to the reported typo fix and adds no unrelated changes.

✨ Finishing Touches

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 49.80%. Comparing base (7af5246) to head (8fd2b8f).

Files with missing lines	Patch %	Lines
dpgen/auto_test/Gamma.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1920   +/-   ##
=======================================
  Coverage   49.80%   49.80%           
=======================================
  Files          83       83           
  Lines       14986    14986           
=======================================
  Hits         7464     7464           
  Misses       7522     7522           

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