Revert #472 and re-address #471

Author: edel_gerardo

caldav/davclient.py

@@ -220,6 +220,10 @@ def _parse_response(self, response) -> Tuple[str, List[_Element], Optional[Any]]
                 self.validate_status(status)
             elif elem.tag == dav.Href.tag:
                 assert not href
+                # Fix for https://github.com/python-caldav/caldav/issues/471
+                # Confluence server quotes the user email twice. We unquote it manually.
+                if '%2540' in elem.text:
+                    elem.text = elem.text.replace('%2540', '%40')
                 href = unquote(elem.text)
             elif elem.tag == dav.PropStat.tag:
                 propstats.append(elem)

caldav/objects.py

@@ -312,7 +312,6 @@ def get_properties(
             exchange_path = path[:-1]
         else:
             exchange_path = path + "/"
-        properties = {unquote(k): v for k, v in properties.items()}
 
         if path in properties:
             rc = properties[path]