diff --git a/accounts_app/models.py b/accounts_app/models.py
index 2508257..a5f5238 100644
--- a/accounts_app/models.py
+++ b/accounts_app/models.py
@@ -3,11 +3,14 @@ from django.db import models
 from django.contrib.auth.models import BaseUserManager, AbstractBaseUser, PermissionsMixin
 from django.core.validators import RegexValidator
 from django.utils.translation import ugettext as _
-
-from djing.settings import DEFAULT_PICTURE
+from django.conf import settings
 from photo_app.models import Photo
 
 
+DEFAULT_PICTURE = getattr(settings, 'DEFAULT_PICTURE', '/static/images/default-avatar.png')
+TELEPHONE_REGEXP = getattr(settings, 'TELEPHONE_REGEXP', r'^\+[7,8,9,3]\d{10,11}$')
+
+
 class MyUserManager(BaseUserManager):
     def create_user(self, telephone, username, password=None):
         """
@@ -51,7 +54,7 @@ class UserProfile(AbstractBaseUser, PermissionsMixin):
         max_length=16,
         verbose_name=_('Telephone'),
         #unique=True,
-        validators=[RegexValidator('^\+[7,8,9,3]\d{10,11}$')]
+        validators=[RegexValidator(TELEPHONE_REGEXP)]
     )
     avatar = models.ForeignKey(Photo, null=True, blank=True, on_delete=models.SET_NULL)
     email = models.EmailField(default='admin@example.ru')
@@ -65,13 +68,12 @@ class UserProfile(AbstractBaseUser, PermissionsMixin):
     def get_short_name(self):
         return self.username or self.telephone
 
-
     # Use UserManager to get the create_user method, etc.
     objects = MyUserManager()
 
     @property
     def is_staff(self):
-        "Is the user a member of staff?"
+        " Is the user a member of staff?"
         # Simplest possible answer: All admins are staff
         return self.is_admin
 
diff --git a/djing/settings_example.py b/djing/settings_example.py
index df00937..fc038d8 100644
--- a/djing/settings_example.py
+++ b/djing/settings_example.py
@@ -168,3 +168,5 @@ DHCP_TIMEOUT = 14400
 DEFAULT_SNMP_PASSWORD = 'public'
 
 TELEGRAM_BOT_TOKEN = 'bot token'
+
+TELEPHONE_REGEXP = r'^\+[7,8,9,3]\d{10,11}$'