Update awx/api/serializers.py

Co-authored-by: Sviatoslav Sydorenko (Святослав Сидоренко) <[email protected]>

awx/api/serializers.py

@@ -120,7 +120,7 @@
 )
 
 from awx.main.utils.filters import SmartFilter
-from awx.main.utils.plugins import compute_cloud_inventory_sources
+from awx.main.utils.plugins import compute_cloud_inventory_sources, discover_available_cloud_provider_plugin_names
 from awx.main.utils.named_url_graph import reset_counters
 from awx.main.scheduler.task_manager_models import TaskManagerModels
 from awx.main.redact import UriCleaner, REPLACE_STR