Display only month, year in django admin and django list_display

Month year only in django dateField

#models.py
class SomeClass(models.Model):
  date = models.DateField()

#forms.py
date = forms.DateField(widget=MonthYearWidget)
# Get widget here -> https://djangosnippets.org/snippets/1688/

#admin.py
class SomeClassAdmin(admin.ModelAdmin):
    list_display = ('format_date',)

    def format_date(self, obj):
        return obj.date.strftime('%b, %Y')

    format_date.admin_order_field = 'date'
    format_date.short_description = 'Date'

admin.site.register(SomeClass, SomeClassAdmin)