trident-project/trident

Trident LineSpreadFunction broken due to upstream errors

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A recent change in setuptools has led to problems in astropy, which is a minor dependency for Trident. Specifically, until this bug is fixed, we can no longer use the LSF class, which allows for convolution of line spread functions with output spectra. I believe a fix is being addressed now, simply because this change affects a lot of downstream packages.

The upstream issues were addressed and fixed. Thus, our tests now are successful again. No more problems.