Completion starts only when we have 3 characters

And this time it works

gestioncof/autocomplete_light_registry.py

@@ -6,5 +6,5 @@ from django.contrib.auth.models import User
 
 autocomplete_light.register(
     User, search_fields=('username', 'first_name', 'last_name'),
-    autocomplete_js_attributes={'placeholder': 'membre...'},
-    widget_attrs={'data-widget-minimum-values': 3})
+    attrs={'placeholder': 'membre...'}
+)

gestioncof/templates/registration.html

@@ -18,7 +18,7 @@
         $(document).ready(function() {
             $('input#search_autocomplete').yourlabsAutocomplete({
                 url: '{% url 'gestioncof.autocomplete.autocomplete' %}',
-                minimumCharacters: 1,
+                minimumCharacters: 3,
                 id: 'search_autocomplete',
                 choiceSelector: 'li:has(a)',
                 placeholder: "Chercher un utilisateur par nom, prénom ou identifiant clipper",