Use ElementTree instead of the deprecated cElementTree
Jerry James
Branch: Deleted repository:master
Branch: pybtex-devs/pybtex:master
Merged
Merged pull request
Merged in jamesjer/pybtex (pull request #19)
Merged in jamesjer/pybtex (pull request #19)
xml.etree.cElementTree was deprecated in python 3.3, and has been removed entirely from python 3.9. See https://docs.python.org/3.9/whatsnew/3.9.html#removed.