Rename bits -> search_words in kfet.autocomplete

This is typo, this variable has not the same name in
`gestioncof.autocomplete` and `kfet.autocomplete`

kfet/autocomplete.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-import ldap3
+from ldap3 import Connection
 
 from django.shortcuts import render
 from django.http import Http404
@@ -76,7 +76,8 @@ def account_create(request):
     if hasattr(settings, 'LDAP_SERVER_URL'):
         # Fetching
         ldap_query = '(|{:s})'.format(''.join(
-            ['(cn=*{bit:s}*)(uid=*{bit:s}*)'.format(**{"bit": bit}) for bit in bits]
+            ['(cn=*{bit:s}*)(uid=*{bit:s}*)'.format(bit=word)
+             for word in search_words]
         ))
         with Connection(settings.LDAP_SERVER_URL) as conn:
             conn.search(