Bug fix for another cds spans edge case

[GavinHuttley]

Summary by Sourcery

Bug Fixes:

• Fixes an edge case where CDS spans were not correctly handled for single-exon transcripts, ensuring that only the relevant CDS span is processed.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request addresses an edge case in the handling of CDS spans for single-exon transcripts. The code now correctly adjusts the CDS spans by limiting the cds_spans array to the first element when processing single-exon transcripts.

Sequence diagram for CDS span adjustment in single-exon transcripts

sequenceDiagram
  participant MT as _mysql_core_attr.py
  participant lex
  participant cds_spans

  MT->>cds_spans: cds_spans[start_index : start_index + 1]
  MT->>lex: _adjust_single_exon(lex, cds_spans[0])
  MT->>MT: yield TranscriptAttrRecord(...)

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File-Level Changes

Change	Details	Files
Fixed an edge case where the CDS spans were not being correctly adjusted for single-exon transcripts.	Limited the cds_spans array to the first element when processing single-exon transcripts. Ensured that only the relevant CDS span is adjusted, preventing potential errors with multi-exon transcripts.	src/ensembl_tui/_mysql_core_attr.py

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[sourcery-ai]

Hey @GavinHuttley - I've reviewed your changes - here's some feedback:

Overall Comments:

• It's good to see a specific edge case being addressed, but please include details of the bug in the description.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[coveralls]

Pull Request Test Coverage Report for Build 13561833520

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.004%) to 87.677%

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Totals
Change from base Build 13558606474:	0.004%
Covered Lines:	2661
Relevant Lines:	3035

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💛 - Coveralls