Update lib/galaxy/managers/citations.py

change "utf-8" to apparent_encoding

Co-Authored-By: Marius van den Beek <m.vandenbeek@gmail.com>

lib/galaxy/managers/citations.py

@@ -47,7 +47,8 @@ class DoiCache(object):
         doi_url = "https://doi.org/" + doi
         headers = {'Accept': 'text/bibliography; style=bibtex, application/x-bibtex'}
         req = requests.get(doi_url, headers=headers)
-        return req.content.decode("utf-8")
+        req.encoding = req.apparent_encoding
+        return req.text
 
     def get_bibtex(self, doi):
         createfunc = functools.partial(self._raw_get_bibtex, doi)