diff --git a/finance/models.py b/finance/models.py
index 401cfa6..01bf635 100755
--- a/finance/models.py
+++ b/finance/models.py
@@ -62,8 +62,8 @@ class Invoice(models.Model):
 
     def get_comment(self):
         return '''Вам выставлен счёт, для оплаты перейдите по ссылке
-            %s/api/v1/finance/payment/%s/''' % (settings.DOMAIN, self.yandex_pay.id,) if\
-            self.comment is None or self.comment == "" else self.comment
+            %s/api/v1/finance/payment/%s/''' % (settings.DOMAIN, self.yandex_pay.id,) if \
+            self.comment == "" else self.comment
 
     def __str__(self):
         return '%s:%s %s' % (self.id, self.get_status_display(), self.bill.user)
diff --git a/finance/views.py b/finance/views.py
index 7f8d95e..6dd7339 100644
--- a/finance/views.py
+++ b/finance/views.py
@@ -147,7 +147,7 @@ class InvoiceDetailView(APIView):
 
             invoice.price = price
             invoice.is_open = is_open
-            invoice.comment = comment if comment else None
+            invoice.comment = comment
 
             if invoice.method == 'Y' and invoice.yandex_pay is None:
                 yandex_pay = Payment.objects.create(
@@ -175,7 +175,7 @@ class InvoiceDetailView(APIView):
                 text_content = plaintext.render(context)
                 html_content = html.render(context)
 
-                msg = EmailMultiAlternatives(subject, text_content, from_email, [to], bcc=['dmitry.dolya@skillbox.ru'],)
+                msg = EmailMultiAlternatives(subject, text_content, from_email, [to], bcc=['dmitry.dolya@skillbox.ru'])
                 msg.attach_alternative(html_content, "text/html")
                 msg.send()