diff --git a/pulse_lib/qblox/pulsar_uploader.py b/pulse_lib/qblox/pulsar_uploader.py
index 90da9b4d689528657c2b61140dfe314cf65fdc97..932746759cdb2f6110809483974c731eced9f86a 100644
--- a/pulse_lib/qblox/pulsar_uploader.py
+++ b/pulse_lib/qblox/pulsar_uploader.py
@@ -1,5 +1,4 @@
 import time
-from collections import Iterable
 from uuid import UUID
 from datetime import datetime
 import numpy as np