Fix missing space in loss_weighting error message f-string

[RajdeepKushwaha5]

Describe your changes

Add missing space in the f-string concatenation in get_manual_state_feature_weights error message. Without the space, the ValueError message reads ...each state featurein the datastore... instead of ...each state feature in the datastore....

Issue Link

closes #572

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation (Addition or improvements to documentation)

Checklist before requesting a review

• My branch is up-to-date with the target branch
• I have performed a self-review of my code
• For any new/modified functions/classes I have added docstrings that clearly describe its purpose, expected inputs and returned values
• I have placed in-line comments to clarify the intent of any hard-to-understand passages of my code
• I have updated the README to cover introduced code changes
• I have added tests that prove my fix is effective or that my feature works
• I have given the PR a name that clearly describes the change, written in imperative form
• I have requested a reviewer and an assignee

Checklist for reviewers

• the code is readable
• the code is well tested
• the code is documented (including return types and parameters)
• the code is easy to maintain

Author checklist after completed review

• I have added a line to the CHANGELOG describing this change, in a section reflecting type of change

Checklist for assignee

• PR is up to date with the base branch

[Copilot]

Pull request overview

Fixes a typo in a ValueError message in get_manual_state_feature_weights so the raised error reads correctly (“feature in” instead of “featurein”), and records the fix in the changelog.

Changes:

• Add the missing space between concatenated f-strings in the loss_weighting.py error message.
• Add a corresponding entry to CHANGELOG.md under “Fixed”.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated 1 comment.

File	Description
neural_lam/loss_weighting.py	Corrects spacing in a concatenated f-string within a ValueError message.
CHANGELOG.md	Adds a “Fixed” changelog entry documenting the error-message typo fix.

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[joeloskarsson]

Indeed, that's a typo. Thanks for fixing! If you fix the changelog conflict we can merge this :)

[RajdeepKushwaha5]

Indeed, that's a typo. Thanks for fixing! If you fix the changelog conflict we can merge this :)

fixed the changelog conflict

[joeloskarsson]

The changelog entry now sits under v0.6.0 (which has already been released). Could you move it to "unreleased" -> "fixed" (you might have to add the fixed sub-section, but I think it might be there if you update this from main)?

[RajdeepKushwaha5]

ping @joeloskarsson