diff --git a/pipeline.py b/pipeline.py
index 87d2af6..ece3030 100644
--- a/pipeline.py
+++ b/pipeline.py
@@ -251,7 +251,7 @@ class Components :
 		if args['data'].shape[0] > 0 and args['data'].shape[1] > 0 :
 			candidates = (data.maker.generate(**args))
 		else:
-			candidate = [df]
+			candidates = [df]
 		if 'sql.BQWriter' in ostore['type'] :
 			#table = ".".join([ostore['['dataset'],args['context']])
 			# writer  = factory.instance(**ostore)