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Since
Python 3.7
the standarddict
s are guaranteed to be ordered.Since
Python 3.8
one can also callreversed()
on them.There is no longer any advantage for us to using an
OrderedDict
for the headers, since we only cared that loading a file then directly writing to file would result in the exact same headers order.This PR changes the headers to be
dict
s, as well as the tests to expectdict
types. I suggest a patch release.