diff --git a/pipeline.py b/pipeline.py
index 58b5380..5442935 100644
--- a/pipeline.py
+++ b/pipeline.py
@@ -130,8 +130,8 @@ class Components :
 		logger = factory.instance(type='mongo.MongoWriter',args={'dbname':'aou','doc':args['context']})
 		log_folder = args['logs'] if 'logs' in args else 'logs'
 		partition = args['partition'] if 'partition' in args else ''
-		log_folder = os.sep.join([log_folder,args['context'],partition])
-
+		log_folder = os.sep.join([log_folder,args['context'],str(partition)])
+		
 		_args = {"batch_size":10000,"logs":log_folder,"context":args['context'],"max_epochs":150,"column":args['columns'],"id":"person_id","logger":logger}
 		_args['max_epochs'] = 150 if 'max_epochs' not in args else int(args['max_epochs'])
 		_args['num_gpu'] = int(args['num_gpu']) if 'num_gpu' in args else 1