feat: only multi param trailing comma

[jakevc]

This PR resolves #24

Summary by CodeRabbit

• Bug Fixes
  • Improved parameter list formatting so that extra commas now appear only when multiple parameters are provided, ensuring clearer output.

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📝 Walkthrough

Walkthrough

The change updates the conditional check in the format_param method of the Formatter class in snakefmt/formatter.py. The condition now verifies that param_list is truthy and that its length is greater than one before executing the logic that appends a comma. This adjustment affects the formatting behavior for parameter lists containing multiple elements. No other parts of the method or class have been modified.

Changes

File(s)	Change Summary
snakefmt/formatter.py	In the format_param method, updated the condition from if param_list: to if param_list and len(param_list) > 1:, ensuring a comma is appended only when more than one parameter is present.

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 4a92aea and 25eb68f.

📒 Files selected for processing (1)

• snakefmt/formatter.py (1 hunks)

🧰 Additional context used

📓 Path-based instructions (1)

`**/*.py`: Do not try to improve formatting. Do not suggest ...

**/*.py: Do not try to improve formatting.
Do not suggest type annotations for functions that are defined inside of functions or methods.
Do not suggest type annotation of the self argument of methods.
Do not suggest type annotation of the cls argument of classmethods.
Do not suggest return type annotation if a function or method does not contain a return statement.

• snakefmt/formatter.py

[mbhall88]

There seems to be some serious problems with this as evidenced in the failing tests.

I suspect removing trailing commas will be much harder to achieve than it seems. Sorry I can’t provide much assistance as I am currently on parental leave until July

[jakevc]

I will mark this as draft, still workin on it