new_contents: from django import forms
  from django.utils.translation import ugettext_lazy as _
  
  from settings import COUPON_TYPES
  
  
  class CouponGenerationForm(forms.Form):
      quantity = forms.IntegerField(label=_("Quantity"))
      value = forms.IntegerField(label=_("Value"))
      type = forms.ChoiceField(label=_("Type"), choices=COUPON_TYPES)
  
  
subject: add CouponGenerationForm