diff --git a/gramps/plugins/lib/libhtml.py b/gramps/plugins/lib/libhtml.py
index 0f613fdf8..9690a55fe 100644
--- a/gramps/plugins/lib/libhtml.py
+++ b/gramps/plugins/lib/libhtml.py
@@ -332,8 +332,8 @@ class Html(list):
         :rtype:  object reference
         :returns: reference to object with new value added
         """
-        if isinstance(value, Html) or (not hasattr(value, '__iter__') and 
-                not isinstance(value, STRTYPE)):
+        if (isinstance(value, Html) or not hasattr(value, '__iter__') or
+                isinstance(value, STRTYPE)):
             value = [value]
         index = len(self) - (1 if self.close else 0)
         self[index:index] = value
@@ -556,8 +556,8 @@ class Html(list):
         """
         if len(self) < 2:
             raise AttributeError('No closing tag. Cannot set inside value')
-        if isinstance(value, Html) or (not hasattr(value, '__iter__') and 
-                not isinstance(value, STRTYPE)):
+        if (isinstance(value, Html) or not hasattr(value, '__iter__') or
+                isinstance(value, STRTYPE)):
             value = [value]
         self[1:-1] = value
 #