diff --git a/superscore/client.py b/superscore/client.py
index 368ca4c..4745547 100644
--- a/superscore/client.py
+++ b/superscore/client.py
@@ -262,9 +262,7 @@ def _gather_data(
             the filled pv_list and data_list
         """
         pv_list = []
-        data_list = None
-        if isinstance(entry, (Snapshot, Setpoint, Readback)):
-            data_list = []
+        data_list = []
 
         seen = set()
         q = [entry]