Правки

management/api.py

@@ -94,9 +94,8 @@ def new_bill(request, context):
             service = Price.objects.get(id=request.POST['new_bill_checked_service'])
             bill = Bill.objects.create(user=user,
                                        service=service,
-                                       file=bill.service.course.get_description_file(),
+                                       file=service.course.get_description_file(),
                                        manager=request.user.get_full_name(),
-                                       manager_phone=request.user.get_phone(),
                                        price=request.POST['new_bill_cost'],
                                        description=request.POST.get('new_bill_comment') if request.POST.get(
                                            'new_bill_comment') else '')

service/models.py

@@ -75,7 +75,6 @@ class MailBox(models.Model):
             msg = EmailMessage(self.title, self.result, u'{1} <{0}>'.format(DEFAULT_FROM_EMAIL, NAME),
                                [self._to if not TESTING else TEST_EMAIL])
             msg.content_subtype = "html"
-            msg.attach(u'Описание курса', file)
             try:
                 msg.send()
             except smtplib.SMTPDataError as e: