django - Overriding url() from ImageField -

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i have image field 

    avatar = models.imagefield(upload_to="avatar", null=true, blank=true)

and using view 

class editview(successmessagemixin, updateview): model = mysiteuser form_class = mysiteuserform pk_url_kwarg = 'pk' template_name = 'update_form.html' success_url = '/myprofile/' success_message = "zmiany zostały wprowadzone."  def form_valid(self, form):     image_to_del = mysiteuser.objects.get(username=form.instance)     print("na dysku plik", image_to_del.avatar)     print("formularz pole 'avatar'", form.instance.avatar)     if form.instance.avatar != self.request.user.avatar:         self.request.user.avatar.delete()     return super().form_valid(form)

in template form

<form action="" method="post" enctype="multipart/form-data">     {% csrf_token %}     {{ form.as_p }}     <input type="submit" value="save" /> </form>

i want change link below

<p><label for="id_avatar">zdjecie:</label> now: <a href="/media/avatar/n.jpg">avatar/n.jpg</a>

on image, how can this?


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