Merge branch 'fix-xml' into 'master'

cElementTree has been deprecated since Python 3.3 and removed in Python 3.9.

See merge request poezio/poezio!74

poezio/core/commands.py

@@ -3,7 +3,7 @@ Global commands which are to be linked to the Core class
 """
 
 import asyncio
-from xml.etree import cElementTree as ET
+from xml.etree import ElementTree as ET
 from typing import List, Optional, Tuple
 import logging
 

poezio/core/core.py

@@ -16,7 +16,7 @@ import time
 import uuid
 from collections import defaultdict
 from typing import Callable, Dict, List, Optional, Set, Tuple, Type
-from xml.etree import cElementTree as ET
+from xml.etree import ElementTree as ET
 from functools import partial
 
 from slixmpp import JID, InvalidJID

poezio/multiuserchat.py

@@ -10,7 +10,7 @@ Add some facilities that are not available on the XEP_0045
 slix plugin
 """
 
-from xml.etree import cElementTree as ET
+from xml.etree import ElementTree as ET
 
 from poezio.common import safeJID
 from slixmpp import JID

poezio/tabs/basetabs.py

@@ -20,7 +20,7 @@ import asyncio
 import time
 from math import ceil, log10
 from datetime import datetime
-from xml.etree import cElementTree as ET
+from xml.etree import ElementTree as ET
 from typing import (
     Any,
     Callable,