Minor changes to the training script

[WardLT]

A few tweaks as I'm switching how we fine tune MACE

[coveralls]

Pull Request Test Coverage Report for Build 11803537782

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 95.775%

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Totals
Change from base Build 11124477505:	0.0%
Covered Lines:	884
Relevant Lines:	923

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💛 - Coveralls