Chowda sometimes returns two copies of the MMIF

[owencking]

Description

When I run a batch in Chowda and download the MMIF, sometimes the same MMIF file is included twice in the zip archive.

The expected output is one MMIF file per guid in the batch.

Reproduction steps

Look at the ten consecutive batches between Batch 38 and Batch 47. They are intended to be identical except for the batch name.

(I was running 10 identical batches to investigate a question about indeterminacy and degree of variation in CV model classifications.)

Across those 10 batches there was some differences in the output MMIF. That's fine, and due to the nature of the SWT app. The weird issue is that, for two batches, when I downloaded the MMIF, the same MMIF file was included twice in the zip archive. Those were batch 42 and batch 46.

Expected behavior

It should provide only one MMIF file per guid.

Screenshots

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OS

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Additional context

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