use celery 3.0.24 and trigger install in update.py. only 3.1 fails

requirements.txt

@@ -3,8 +3,8 @@
 -e bzr+http://code.0x2620.org/oxtimelines/#egg=oxtimelines
 simplejson
 chardet
-celery==2.4.7
-django-celery==2.4.7
+celery==3.0.24
+django-celery==3.0.23
 #django_extensions
 #-e git+https://github.com/django-extensions/django-extensions.git#egg=django_extensions
 #use fork fixing some postgresql issues

update.py

@@ -94,6 +94,8 @@ if __name__ == "__main__":
                 os.chdir(base)
         if old < 3666:
             run('./bin/pip', 'install', '-r', 'requirements.txt')
+        if old < 3770:
+            run('./bin/pip', 'install', '-r', 'requirements.txt')
     else:
 
         if len(sys.argv) == 1: