redefines the widget for jci standards

evolus/filters.py

@@ -2,6 +2,7 @@ from django import forms
 import django_filters
 
 from evolus.models import Audience, Document, Site, Structure
+from jci.models import Standard
 
 
 class DocumentFilter(django_filters.FilterSet):
@@ -17,6 +18,10 @@ class DocumentFilter(django_filters.FilterSet):
         queryset=Structure.objects.all(),
         widget=forms.CheckboxSelectMultiple
     )
+    standards = django_filters.ModelMultipleChoiceFilter(
+        queryset=Standard.objects.all(),
+        widget=forms.CheckboxSelectMultiple
+    )
 
     class Meta:
         model = Document