fix required attributes

diff --git a/qcg/fields.py b/qcg/fields.py
index ef5170a..a61560d 100644 (file)
--- a/qcg/fields.py
+++ b/qcg/fields.py
@@ -30,8 +30,8 @@ class TimeRangeField(forms.MultiValueField):
         (DAYS, u"Dni"),
     )
 
-    value = forms.IntegerField(min_value=0)
-    unit = forms.TypedChoiceField(choices=UNIT_CHOICES, coerce=int)
+    value = forms.IntegerField(min_value=0, required=False)
+    unit = forms.TypedChoiceField(choices=UNIT_CHOICES, coerce=int, required=False)
 
     widget = TimeRangeWidget(widgets=(value.widget, unit.widget))