1 files changed, 9 insertions, 1 deletions
diff --git a/ishtar_common/widgets.py b/ishtar_common/widgets.py
index 326966064..95b51ffb4 100644
--- a/ishtar_common/widgets.py
+++ b/ishtar_common/widgets.py
@@ -300,7 +300,7 @@ class CheckboxSelectMultiple(CheckboxSelectMultipleBase):
     def render(self, name, value, attrs=None, choices=()):
         if type(value) in (str, unicode):
             value = value.split(',')
-        if type(value) not in (list, tuple):
+        if not isinstance(value, (list, tuple)):
             value = [value]
         return super(CheckboxSelectMultiple, self).render(name, value, attrs)
 
@@ -356,6 +356,14 @@ class Select2BaseField(object):
 class Select2MultipleField(Select2BaseField, forms.MultipleChoiceField):
     multiple = True
 
+    def to_python(self, value):
+        if not isinstance(value, (list, tuple)):
+            if value:
+                value = value.split(',')
+            else:
+                value = []
+        return super(Select2MultipleField, self).to_python(value)
+
 
 class Select2SimpleField(Select2BaseField, forms.ChoiceField):
     pass