From 2add94f5b04dbe1465c2ce83b064d381c6bdc822 Mon Sep 17 00:00:00 2001
From: jheling <35200188+jheling@users.noreply.github.com>
Date: Thu, 27 Feb 2020 18:29:11 +0100
Subject: Fix TypeError: 'NoneType' object is not an iterator

When deleting sub-elements in a stanza.
---
 slixmpp/xmlstream/stanzabase.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/slixmpp/xmlstream/stanzabase.py b/slixmpp/xmlstream/stanzabase.py
index c3dbfb67..f45e4b96 100644
--- a/slixmpp/xmlstream/stanzabase.py
+++ b/slixmpp/xmlstream/stanzabase.py
@@ -1031,14 +1031,19 @@ class ElementBase(object):
         if not lang:
             lang = default_lang
 
+        parent = self.xml
         for level, _ in enumerate(path):
             # Generate the paths to the target elements and their parent.
             element_path = "/".join(path[:len(path) - level])
             parent_path = "/".join(path[:len(path) - level - 1])
 
             elements = self.xml.findall(element_path)
-            parent = self.xml.find(parent_path)
-
+            
+            if parent_path == '':
+                parent_path = None             
+            if parent_path is not None:     
+                parent = self.xml.find(parent_path)
+                        
             if elements:
                 if parent is None:
                     parent = self.xml
-- 
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