Modify some bug

apps/users/utils.py

@@ -3,6 +3,7 @@
 from __future__ import unicode_literals
 import logging
 import os
+import re
 
 from django.conf import settings
 from django.contrib.auth.mixins import UserPassesTestMixin

requirements.txt

 Django==1.10
 django-bootstrap-form==3.2.1
-django-redis-sessions==0.5.6
-django-websocket-redis==0.4.6
-gevent==1.1.2
-greenlet==0.4.10
 logging==0.4.9.6
 Pillow==3.3.1
-pyte==0.5.2
-redis==2.10.5
-six==1.10.0
-wcwidth==0.1.7
-websocket-client==0.37.0
 djangorestframework==3.4.5
 ForgeryPy==0.1
 openpyxl==2.4.0
-paramiko==2.0.2
 celery==3.1.23
 ansible==2.1.1.0
 django-simple-captcha==0.5.2
 django-formtools==1.0
 sshpubkeys==2.2.0
 djangorestframework-bulk==0.2.1
-python-gssapi==0.6.4
-tornado==4.4.2