--- a/roundup/cgi/actions.py	Thu Jun 10 16:16:40 2021 -0400
+++ b/roundup/cgi/actions.py	Fri Jun 11 18:09:21 2021 -0400
@@ -513,6 +513,10 @@
             # skip property names header
             if values == props:
                 continue
+            # skip blank lines. Can be in the middle
+            # of the data or a newline at end of file.
+            if len(values) == 0:
+                continue
 
             # extract the itemid
             itemid, values = values[0], values[1:]