Fix some more Unicode in **kwargs issues in Py2.6

sleekxmpp/plugins/xep_0004/stanza/form.py

@@ -195,7 +195,14 @@ class Form(ElementBase):
             fields = fields.items()
         for var, field in fields:
             field['var'] = var
-            self.add_field(**field)
+            self.add_field(
+                var = field.get('var'),
+                label = field.get('label'),
+                desc = field.get('desc'),
+                required = field.get('required'),
+                value = field.get('value'),
+                options = field.get('options'),
+                type = field.get('type'))
 
     def set_instructions(self, instructions):
         del self['instructions']

sleekxmpp/xmlstream/stanzabase.py

@@ -19,6 +19,7 @@ import logging
 import weakref
 from xml.etree import cElementTree as ET
 
+from sleekxmpp.util import safedict
 from sleekxmpp.xmlstream import JID
 from sleekxmpp.xmlstream.tostring import tostring
 from sleekxmpp.thirdparty import OrderedDict
@@ -679,6 +680,8 @@ class ElementBase(object):
         if lang and attrib in self.lang_interfaces:
             kwargs['lang'] = lang
 
+        kwargs = safedict(kwargs)
+
         if attrib == 'substanzas':
             return self.iterables
         elif attrib in self.interfaces or attrib == 'lang':
@@ -755,6 +758,8 @@ class ElementBase(object):
         if lang and attrib in self.lang_interfaces:
             kwargs['lang'] = lang
 
+        kwargs = safedict(kwargs)
+
         if attrib in self.interfaces or attrib == 'lang':
             if value is not None:
                 set_method = "set_%s" % attrib.lower()
@@ -841,6 +846,8 @@ class ElementBase(object):
         if lang and attrib in self.lang_interfaces:
             kwargs['lang'] = lang
 
+        kwargs = safedict(kwargs)
+
         if attrib in self.interfaces or attrib == 'lang':
             del_method = "del_%s" % attrib.lower()
             del_method2 = "del%s" % attrib.title()