Merge branch 'dev' into 'master'

Dev

See merge request !306

access/models/other.py

@@ -54,8 +54,8 @@ class Account(models.Model):
         return self.owner.email
 
     def get_phone(self):
-        return '' if self.phone.national_number else \
-            (self.phone.national_number if self.phone.country_code is None else str(self.phone))
+        return '' if self.phone is None else ('' if self.phone.national_number else \
+            (self.phone.national_number if self.phone.country_code is None else str(self.phone)))
 
     class Meta:
         verbose_name = 'Дополнительная информация о пользователе'