Update invenio_tools ti fix a bug in add_affiliation_key.

modules/invenio_tools/factory.py

@@ -46,7 +46,7 @@ def add_affiliation_keys(recjson):
     rep = requests.get(url, params={"ot": "110", "of": "txt"})
 
     # decode the string: '000recid 110__ $$aXXX$$bYYY$$tZZZ\n'
-    txt = rep.content.replace("\n", "")
+    txt = rep.text.replace("\n", "")
     li = txt[txt.find("$"):].split("$$")
 
     di = {}